Pretty sure if someone trained a code suggestion tool with Windows source, Microsoft would claim that a single similar character being the same is grounds for c

Pretty sure if someone trained a code suggestion tool with Windows source, Microsoft would claim that a single similar character being the same is grounds for copyright infringement. They are putting GPL code in non-gpled codebases. Is it okay to take sections of other people's source code and use it on yours, if you just got it as a suggestion?