Here's the thing, you signed up for this. Yes, AT&T's a mess now but nobody tricked you into joining. The warnings were everywhere if you’d bothered to look. I got in when it was decent, but you walked in eyes wide shut while the rest of us saw the dumpster fire raging.
People keep getting treated like disposable garbage because fresh recruits keep lining up. They'll only change when their hiring pipeline dries up. But nope, that's not happening and here we are.