Laws that are unenforced are not laws, they are traditions.
Laws that are enforced are laws, even if they aren't written down. Trump got push back in his first term, from all three branches of government. Now? If everyone just agrees he can speak laws into existence, then he can.
Theoretically each candidate can vote however they like for each vote.
The leaders of each party in each house of Congress can do things with committee assignments that increase or decrease a senator/representatives influence. Buck the party line too often and you can be neutered as far as influence over writing laws. Leadership is elected by the lawmakers of their party though, so if they lean too hard or force too many unpopular votes they can be removed from leadership.
In practice they tend to want to work with each other and get along. Inter party fights are embarrassing. Some lawmakers from states outside the norm ideologically can get away with voting against the party by pointing to their constituents and usually leadership takes this into account before deciding whether to hold a vote.
Joe manchin was a Democrat from West Virginia. He famously voted against several of Bidens environmental bills to favor coal mining. John Tester was a Democrat from Montana who neutered parts of the ACA under Obama. In both cases the Democratic president needed every single democratic senator to agree or the vote wouldn't pass because their was no chance of Republicans crossing the isle.
Republicans allow much less ideological diversity through their primaries, so even a Republican like Scott Brown from Massachusetts was a solid conservative.
"Heads are usually rolling at this point of ruling class oppression."
Looks around the world and back in history I beg to differ. Heads rolling is far and away the outlier. People can tolerate way worse than the average American lifestyle.
Actionable by who? Against who? Summers? Clinton? Congress decides when to impeach and for what reason. That's the only mechanism of enforcement against the president. They don't need to wait for the files to be released they could impeachment today for any reason.
Nothing in the files will be acted upon, in all likelihood. The action the files prompted was Epstein and Maxwell's prosecutions. This is all about public image.
Yep, Biden, frail as he was, would have been better than trump, Hillary would have been better than trump, Biden was better than trump in 2020, Kamala would have been better than trump. If American refused to elect a Republican there would be room for a debate between a leftist and a liberal.
Laws that are unenforced are not laws, they are traditions.
Laws that are enforced are laws, even if they aren't written down. Trump got push back in his first term, from all three branches of government. Now? If everyone just agrees he can speak laws into existence, then he can.