I know I'm being a bit of a downer here, but why exactly do you think the subconscious is an entity of its own or that it's necessarily wiser than the conscious you? I actually made a thread about this in a separate subforum, although I didn't bring up the point of the subconscious being wiser or not because my argument was more about it not existing in the way the popular thought posits.

The idea is that there isn't another you inside of you, it's all just you. Things that don't work out during attempts of dream control or trying to get lucid are attributed to the subconscious messing around with you or something, but it's merely misattribution and has to do with random chance and later on plays on your expectation of what will happen in that situation in the future, and your expectation becomes a self-fulfilling prophecy and in effect it is you who has messed with yourself, not some "other" consciousness more connected to your emotions. Dream content is more or less based on the unconscious thought processes you have and when you're lucid, your expectations and the unconscious associations you have with certain memories and feelings, but it's again all you, not some other you that exists in the background. The only reason you can get a response when you try speaking directly to the "subconscious" is because you expect an answer. In that way, you can essentially speak with something that isn't you in a strict sense, but it's not something that always exists in the background. What comes out as a response usually sounds cryptic or meaningless specifically because you either expecting it not to make sense or you weren't expecting anything in particular and something random just came out.

That's my idea on the subconscious, anyway. Surely some things like expectation aren't fully conscious thoughts, but they aren't something lurking deeper having almost completely separate thoughts from you. Coming at it from a standpoint that assumes the subconscious does exist in the way you're describing, I wonder why we think it's any wiser than us though. What indication is there, really, that makes us believe this? I just always hear it, and I feel like it's just something you expect (and I used to expect back when I thought of the subconscious this way about 6 or so years ago) and so you believe it. But I mean, who is really to say the angry you or the happy you is the same "you" just because you consciously experience both and feel like you're the same? The difference between them is the perspective you're viewing things from and your priorities at the time. Either these are separate you's, or all thought processes, unconscious or otherwise, are just as much you as the angry you and happy you are, no matter how separate you feel.

I've come to believe this because of how getting a concussion has affected my ability to feel emotion. When I feel anxiety, anger, joy, etc., I don't actually feel the feeling associated with it. Half the time I'm confused to my emotional state because on some level I implicitly have an impression of feeling a way despite not actually "feeling" that way, and sometimes I don't get the impression at all. The way I've learned to tell if I'm feeling a certain way or not is to judge it by the actions I'm taking, the words I'm using, and what I'm thinking about. If they all indicate I'm feeling a certain way, whether I actually feel or believe I am feeling that way or not, I must be. It's like a part of me broke off somewhere, the part that actually connects me to my emotional state. I still feel the emotions, but I'm not consciously aware that I'm feeling them. Yet, I know from the fact that I used to actually feel these things before suffering brain damage that I was consciously connected to them. Are they no longer a part of me? Is it just my "subconscious" that's feeling them now? My answer to that has become no. Just because I am not aware of them on an emotional level doesn't mean I'm not aware of them at all, and it definitely is still me that's feeling them, because they guide my thoughts without me actually feeling them. If it's capable of influencing my thoughts and thought patterns, whether it feels like it's me or not, it's still a part of me. Hence, just because you can't "feel" expectations or things like that, even though they are unconscious thought processes, they are still equally a part of the conscious you and aren't something entirely separate that can operate on their own like a separate personality. I could be entirely wrong, but it explains more things for me to think of it this way than it doesn't. I'm simply trying to provide another way to look at the supposed "subconscious".