Earlier quoted context omitted.
When LLMs are based on stolen work and violate GPL terms, which should be already illegal, it's very much okay to be furious about the fact that they additionally ruin respective business models of open source, thanks to which they are possible in the guest place.
>“Free software” means software that respects users' freedom and community. Roughly, it means that the users have the freedom to run, copy, distribute, study, change and improve the software. https://www.gnu.org/philosophy/free-sw.html Being able to learn from the code is a core part of the ideology embedded into the GPL. Not only that, but LLMs learning from code is fair use.
LLMs don't (cannot, by design) provide attribution, nor do LLM users have the freedom to run most of these models themselves.