I like it, mostly for building but it does help in live mode too.
Most peoples houses I go to have stuff around on kitchen counters, shelves, tables, chests of drawers, etc. so it seems more realistic to have stuff on them rather than empty shelves. That's only for residential, I'm much more minimal for community lots as in real life that seems to be the case. Obviously exceptions exist, but that generally is the case I've found.
I do use move objects, though mostly for plants, wall decor and stuff on surfaces where I dislike where the slots are (desk lights and centering objects where there is no centered spot are my biggest issues). I try not to use it too much though, especially for actual usable objects, most just making things slightly closer together (like putting the fridge next to the counter or an accent table next to a chair). I playtest any build that uses it a lot or in ways that I don't usually use it though. I do put everything on the gallery but I'm not a popular builder or anything so I don't worry too much about it tbh.