Many people dismiss China as a one-party state but the reality is actually much more nuanced than this.
We're enormously confused when we try to understand the Chinese system through our vision of the CPC as a political party like the Democrats or Republicans. In China's system, the CPC isn't really equivalent to a Western political party but rather to the constitutional order itself.
The US system, pre-Trump, could be seen as a lot like the Chinese system described above but with the free-market-corporate-capitalist system playing the part of the CPC.
The FMCC is the only party in the US.
Pre-Trump, both parties were ruled by FMCC interests. There were minor differences but still, you weren't going to see any great deviation from a mostly free-market, capitalist system. The parties were two-sides of the same coin. They existed to make sure the different FMCC factions had a voice in the system and that their leaders maintained control. The system was a fixture, not really up for debate.
2016 changed that.
Social media helped connect people and ideas (right or wrong, true or not) and the voters trended away from system candidates.
Trump blew-up the Republican side of the coin by railing against the system and the swamp, being and outsider, caring about the wingnuts, etc. Bernie had the Democratic side of the FMCC running scared but in the end it held onto power there. Trump won out but was not really effective.
In 2020 the FMCC put Biden in office but he further alienated the voters with inflation (and being old). He especially irritated the right leaning libertarian tech faction of the FMCC who thew their support to Trump in 2024.
So now Trump has been captured (apparently) by that libertarian tech side of the FMCC and it looks like its going to continue to run things in this country for the time being.