Theres some who are Socialist who emote and can’t be helped, but there are some who been indoctrinated and were never challenged to think otherwise. These people we can save
I consider myself someone like this. I used to think I was a socialist throughout highschool and uni and used to think capitalism is evil. It wasn’t until I met someone on the right who articulated it to me and challenged me old views did I started to change
I was indoctrinated into the liberal view from an early age, and eventually came to conservatism due to observing the hypocrisy of Democrats played out on the national stage.
It was tough (even scary) to begin my search for information on "the other side", but I took baby steps, and eventually found my way into the bright light of day. I know that many others have done it, too.
You're correct that some liberal slaves can be mentally emancipated, but the usual leftist programming prevents most from accepting any data from our side. We're "eeeeevil", ya know.
Still, I'd never try to dissuade anyone from attempting to rescue anyone who's entrapped by the left-wing Borg. Just know that you have your work cut out for you.