...and can conpletely fuck the working class. Without restrictions, it devolves into pudding and end ups eating itself to death.
You've seen what The State and Private Companies do to their employees, given enough leeway. I'd rather not have some entity which isn't even a person force me out of my job for baseless reasons. You're speaking of self-loyalty which has no part of the corporate equation, but keep sucking that free market dick thinking it's the ultimate solution; It's what got us into this mess.
You have rights today because a lot of folks broke their backs decades ago to ensure we wouldn't get totally fucked at the whims of others.