Inheritance used to be extremely common, look at AWT/Swing - however more or less it finished there, e.g. more than 20y back.

There are still lots of folks who love 'protected' and deep hierarchies, of course. There is stuff like spring that uses way too many interfaces with a single implementation, doing something a bit off the regular road ends up implementing tons of the said interfaces anew.

However the 'hate' part is mostly the internet (well esp. Hacker news)warrior topic