Wrong. I dunno why so many people falsely believe this. The Prime Directive applies to EVERY civilization. Not just pre-warp ones. By that logic, Picard wouldn’t have had a problem taking Wesley in that episode because those people had warp access.
I think you’ve considerably misunderstood what the Prime Directive is… It doesn’t just apply to unevolved people. It also applies to civilizations that have warp too.
Also literally no, that is not what it means and is an insane comparison.