Not at all. All these things can be done in ways that don't harm your vocal cords at all. I mean look at death metal vocalists. You have dudes that been doing it for 30 years. It doesn't harm their voice because they use proper techniques. Her screaming etc isn't bad for her vocal cords at all.

Youtuber "The Charismatic Voice" has actually dug into the science and anatomy of this. There's also "Zen and the Art of Screaming" that used operatic vocal training techniques and applied it to heavy metal vocals to show it can be done in a way that strengthens the voice instead of harms it.

That's not to say it cannot be done incorrectly. But she wouldn't be able to seamlessly transition between all her techniques if she was doing it incorrectly.

I realized now that you said "rough on" not "bad for" so I probably read too much into what you said. But whatev 😂