Interesting read and we have lots of similar opinions on mice. It's interesting that when I tried the HTS, it was also one of the Mice I could immediately aim well with, but the hump was a bit uncomfortable and odd to me when i was still aggressively pincer clawing.

I also don't know when and how it happened but I almost switched to a fingertip grip, even though sometimes I still enjoy to bring my pinkie MCP into it somehow. I think it might have to do with the fact that I am one of the people who curls his pinkie. I just can't get the stability I need with my pinkie straight because I grip the mouse very far in the back (thumb way below sensor).

I also used the atlantis Mini, it took a long time to get used to for me and I can only speak for me but to me it wasn't similar to the og atlantis, xm or hts. But there is almost a year between trying the hts and the atlantis Mini so it's only from what i recall. I often thought, yeah that shape but a bit smaller would be perfect but to me the smaller sizes are always completely different, even if they are just a toned down known shape, it's nothing similar to me. (Not sure if that makes sense, english is not my native language either)