Is there a name for when stupid people accuse you of their faults? Is that projection?

Yes, that's projection.

It's also called standard American conservative politics.

Yes that is projection, which is a form of hypocrisy.

Edit: preemptive “no you”lol

To be understood, I’d probably just say projection, but if you need to emphasize a specific aspect of the behavior, we could break it down as:

1. an existing insecurity or shame that
2. prompts momentary social anxiety
3. evidenced by a defensive impulse
4. to preemptively introject

Explanation: introjection refers to a mirroring behavior, the kind often seen in children. In this case, the accuser anticipates an accusation from you which threatens or hurts them. To defend themselves, they hurl the accusation right back at you. But of course the first accusation only happened in their head, so all we witness is someone wildly accusing someone else of having their own flaw without any justification.

I call it Maganomics

Trumpery

I think "projection" works. I thought of "external attribution" as well when I read this question.

Dunning-Kruger adjacent projection

Projection, or machiavellianism.

It's you who's projecting here, not me.

It takes one to know one.

The pot calling the kettle black.

LeftistTankieHemoGlyphemia