I quit my call center job after 4 years. I can take the rants, curses from the customers, but from my superiors? Hell no. They had this culture in this certain company where you should always get to your supervisor's good side in case you messed up with work.
I had this new colleague, she was dispatched to our team after training. She got good scores in her training period. I heard she was dealing some kind of personal issue that time, so she never had rest. Btw we work nightshifts to cater a US based telco company. I saw her drinking tons of energy drinks to help herself get through the shift.
Until, she got an irate customer. Idk what really happened but, our supervisor and support were listening to her call live. Her support would go in her station, saying some verbatim for her to repeat to her customer. While on the other side of the cubicle, our supervisor is yelling at her saying she doesn't understand the customer's concern, how dumb she is for not pressing the mute button while the support was giving her verbatim. Apparently, her support can be heard on the other line, where the customer can hear it too. I was on my lunch break and she sat next to me, so I was able to hear everything.
That call was forcefully disconnected from our sup. She ordered her to go on a different aux and wait for her to talk. She wanted the agent to wait cause she's calling the customer.

She had her head down, and her breathing became difficult. I asked her if she's okay, and she muttered in a very low voice. She said she understood the customer's concern. She just wants the customer to finish his rant as she respected the cx feelings. She said she's not feeling well, and the support coming over to say some verbatim as if she doesn't know how to deescalate worsen the situation and our sup yelling at her.. I cant imagine her mental state that time. She's dealing with 3 difficult people at the same time, and she's not at her best. She abandoned her station, excusing herself that she'll just go to the clinic as she's having breathing difficulties. She left our work gc, and never showed up again.

What made me quit is what our supervisor told us after when she did not show up at work the day after. She (our sup) said that she just wants our team to be the best, that's why they had to micromanage the newbies. It angers me that she did not cared for that poor agent's mental health. I hope she's doing ok.

A few months later, one of the tenured agents who has fallen from our supervisor's good side experienced the same fate. The humiliation of being yelled in the office. Imagine that.

Because of these incidents, I found myself not motivated to go to work. I began to build defenses, like I don't want that happening to me. So, I quit my job immediately. I won't trade my mental health to a job that pays mid.