GPL requires attribution. Some people are fine with their code being used by others for free while still expecting their work to be acknowledged.
Code posted on Stackoverflow is apparently CC-BY-SA licensed, which means attribution is still required.
Stolen means no attribution and not following the rules of the GPL, instead producing un-attributed AI-washed closed source code owned by companies.
GPL requires attribution. Some people are fine with their code being used by others for free while still expecting their work to be acknowledged. Code posted on Stackoverflow is apparently CC-BY-SA licensed, which means attribution is still required.