How often do you deep clean your rugs/carpets and how do you do it?

I was using one of those metal lint brushes on a low pile synthetic rug in my living room, mostly for the lols. I use it on the couch and I thought I’d give it a go.

It horrified me how much dust it kicked up in addition the to fibers it removed. We use a robot vacuum almost daily, and vacuum the rug separately with a “real” vacuum as well. I don’t expect the vacuum to get all the hair that gets tangled I guess, but the dust was just 🤮

Do people still have to take their rugs out and beat them? Haven’t we progressed from that?

I have a small steam cleaner for spot cleaning large fabric things that can’t get washed. Maybe that is something I should be using on the whole rug, on occasion?

I don’t have any carpet flooring in my house because I hate the idea of it being a massive burden to change a fabric floor cover, but I realize I could probably do better on keeping the rugs clean. I don’t think it warrants tossing just because it’s dusty.

Can someone share some wisdom with me? Replies sharing how little cleaning you do are not helpful, but go off I guess. I don’t think it’s unreasonable to not want dust accumulating in my rugs.

Edited to highlight that I am specifically asking about rugs, I don’t have carpets.