Last week, a python library maintainer used Claude to rewrite it from scratch after single-handedly keeping it running for twelve years, changed the license from LGPL to MIT, and the original author (gone since 2011) showed up to object. 244 comments on a GitHub issue about a character encoding library.

I wrote about why everyone in the thread picked the position that made them feel right instead of one that would have fixed the problem.

Short version: clean room reimplementation is dead and nobody wants to admit it.