Republicans made the case to their voters that these institutions were permanently controlled by Democrats, and expressly promised to dismantle them. And Republicans won the Presidency and both houses of Congress. There's no principle of "democracy" that says changes to longstanding institutions must proceed slowly.
In fact, the only thing that's preventing Trump from living up to even more of his campaign promises is the anti-democratic check of the filibuster.
> billionaire coup
Every objective analysis shows that the majority of billionaires supported Kamala Harris. She raised $1.65 billion against Trump's $1.05 billion: https://www.usnews.com/opinion/articles/2024-11-15/trump-har.... She went into the home stretch with a huge cash advantage over Trump: https://www.cnn.com/2024/10/21/politics/campaign-fundraising.... This was the second time Trump won despite being outspent and swimming against the opposition of Wall Street.