oh, OK. You should google the term to see where it comes from. it's from someone who is essentially an anti-LLM activist and it's meant as a slur. That's likely why people consider it to be a slur, due to its origins.
"stochastic parrot" describes what an LLM does, that it (like a parrot) generates coherent human language without understanding its meaning.
Being offended on behalf of software is weird.
Yes. I can really recommend this essay of PG about that: