In fact what's hilarious about the 'slavery was capitalism!' argument is that slavery is literally saying you are entitled to someone else's labor or income, which is exactly what socialism is. Please hang up and try again.
Let's try these nightmare vision goggles. Hmm. Everything looks exactly the same.
Madness string 82348
You can't just let people walk all over you because they've suffered abuse. Abusers teach us really toxic habits, and enabling those habits does not serve anyone.