Depending on the founder. With Apple it can be reasoned that it only went down after you know who passed away.
Yeah its not reliable to count on one charismatic leader to run the whole thing, but that is what the corporate model has being doing and how we ended up here.
Syncthing pls. Pls try to use open source alternative whenever possible even though they are not as developed as the closed sourced one, it works better for the public.