Did Linus Torvalds "Sherlock" Bitkeeper by writing git? I also recall there wasn't much sympathy for Paragon Software (
https://news.ycombinator.com/item?id=22706172) when exFAT support was added to the Linux kernel, obsoleting their product.
This furor is a surprising flip-flop given the usual "information wants to be free" and "patents for software are dumb" cheerleading that we usually see around here.