Oh there are huge problems with my viewpoint - I wouldn’t even say it’s rational lol! I think that’s probably why I have trouble with the great rational arguments like yours (and many others in this thread).
I didn’t know there was a proper name for the 80/20 rule, thanks!
I used to be a die hard three buttoner, but the two button layout (with swipe up from home being the task switcher), plus the nice swipe-the-button-bar to flip through tasks one by one is an improvement for me.