Most of the negatives mentioned (fragility, bugs, plugins breaking often) are specific to neovim. It's one of the reasons why I am and will always keep using vim instead of neovim. Vim is a much more mature ecosystem, less chasing the newest "plugin du jour", my vimrc is stable, based on a few dozen plugins which are feature complete and rock solid stable.
neovim is what happens when the javascript kids decide to "improve" one of the best editors ever created. The entire Lua ecosystem standing on 50 unstable plugins that provide the entire kitchen sink, yet do not even have a 1.0 version is nightmarish. Follow any guide and either everything breaks, or you get an hodgepodge of automagic popups, stuff that autodownloads, flash messages and useless features that are comp…
You’re correct that random guides are generally garbage, but by reading plugin docs (gasp), you can generally get stuff working without much fuss.