It's weird to see people arguing that much about it. If I were to post this like 2 years ago, I would definitely be on the shrooms side in such an argument as I was in a point in my life where mushrooms turned out to be very helpful to me, it was a hard period in my life and a lot of it was due to me being myself at that time and I really had some things to correct. Shrooms were a hard kick and reset and I am very thankful for that, if it were for L, it just doesn't have that depth for me and it would take much more time (probably won't work in the end). But shrooms are also unforgiving and sometimes very nasty. Some trips were all about "you are stupid and dumb, you are a big failure". Others were about me dying. I actually experienced myself dying at least several times on shrooms. Wasn't scary or awful, but wasn't also funny. I really respect shrooms for what they are able to do. But they are not recreational, more like therapeutic. I guess that's because it has high affinity towards 2HT-A and very low towards dopamine receptors, but I might be wrong about that. It has its uses for me and I don't regret any of my trips, even the unpleasant ones that made me cry and hate myself for being what I am. LSD on the other hand is a super fun experience. It is much much more hedonistic and just about having fun, no serious stuff. I've had some tough experiences on L, yes, but they were more about "it's overwhelming, I want to go home and lay on my bed", rather than "I am a fucking failure" or "this is how I die".
That said, even though I've had a lot of shrooms experiences (I really kind of abused it at some point), they were all cubensis ones. Different cubes yes, but still cubensis. Never tried others. My first psychedelic experience was 2C-I years ago, then my first classic psychedelic experience was with LSD, not with shrooms. I find shrooms and L very very different, they serve different purposes. I don't think they are similar at all.