I don't think Congress even matters anymore now that the Supreme Court and lower courts are owned by the Federalist Society. I suspect any attempts to tax capital will be determined to be unconstitutional now. The US is locked in all the way.
Are you seriously suggesting there's a judiciary dictatorship installed in the USA right now? There's one where I live and also in many other south american countries but I never expected the US to be that corrupt.
For 50 years in the US, women had some rights of bodily autonomy that they lost this year because of the Supreme Court. Whether you agree with that outcome, it seems hard to deny the immense power there, and why there has been a multi-decade campaign on the right to control it.
Look up the controversy over a wealth tax - most Conservatives would tell you it's unconstitutional and/or wildly impractical, but I pay property taxes every year which sure feel like a wealth tax.