Yes, thinking in retrospect the answer to whether or not meditation gets more intense does seem to be "no". It is definitely unpredictable at the larger doses and I think at that point meditation becomes more of a tool to navigate and/or deal with the state of mind which is present. Even at more reasonable and small doses, someone might as well just use music, chanting, ect instead of a psychedelic.

I do think that interesting things happen with meditation, but perhaps it is due to the psychedelic effects and region that can be explored, and not meditation in itself. I think Terence McKenna said something along the lines of not having a need for experimentation (of psychedelics) to "see if it works", since people have already done it and how its already established that they work. I think this applies here as well, since of course people have tried meditation before on shrooms, and sometimes its deep or novel or whatever. But it does work. Just maybe not what the person intended though, as was expressed in the above post.

Going back to the OP, as far as an aid at low doses, I would say shrooms are unnecessary. There are plenty of non-substance related things to try which can aid in meditation without the rest of the interference of experience shrooms bring. However (hypothetically) meditation seems to be more of a tool to interact with inner space, than to be aided.