These are all extremely minor issues. 2 and 3 are not even relevant to 99% of normal users. Very few people want to spend time manually organizing photos like that, and albums do essentially the same thing. The wobbling thing is a non-issue. It doesn't even wobble unless you're pounding down on the phone on a table.

I have no data to back it up, but I believe HN saw a huge number of redditors moving here after the user protests a year or two ago.

That's true but infants are far smaller than adults. It takes a lot less (of anything) to have an effect on an infant.