If it's an OSS repo I use so much that I'd be in trouble if maintenance stopped, then yeah, I use it, but other than that I don't go out of my way to use the watch feature.
Translated from Japanese
QuotingHKHAYAMA Kaoru@hymkorでも、あの watch 機能、使ってる人なんて、ほとんどいねぇだろ?
(それは貴殿のプロダクトのユーザに GitHub まで使ってるプログラマがあまりいないから)