You're right, it's not one lie, it's a pack of lies, trotted out every time congress needs to justify another capital gains tax cut or rationalize why the next tax hike needs to target work not wealth.
Unlike many of our worst ideas, I'm actually surprised this one didn't become more popular around the world.
I suspect that were I to learn about the industrial revolution I would find that the US Robber Barons didn't invent their talking points either and that they simply took British Industrialist talking points and, err, gave them 3 minutes on the stove.
I think it’s been decades by now.
The hikes on labor come later, when the debt needs to be paid and Democrats are once again tricked into being fiscally responsible.
As for tax hikes <90%, this hasn’t occurred in income; the opposite has occurred. You could make the case that it hasn’t been worth it for the poorest brackets though, given other coincident policy changes