AFAIK nobody likes D&D4.
D&D5 is very well designed, which means from simple basic principles we get a complex end result.
Yes all companions are pointbuy 27. You can redesign them with Withers to your hearts content if you dont like their stats.
Yeah and d&d 5e carried over stuff from 4e, you probably would know this if you played it. Well enjoy your limitations then buddy.