The thing about democracy is, every person is going to sometimes wildly disagree with what the elected officials do. Declaring it a 'coup' is as silly as when Trump lost in 2020 and declared it a 'rigged election.'
Now, you can make limited inroads to block executive actions with the courts, but even when SCOTUS was friendly to the anti-Trump cause, when that's done to advance an unpopular (majority-disapproved-of) agenda, it is usually a hollow and temporary victory. To get the policies you want, you need to win over voters. That's the part the DNC seems to be completely unaware of. You don't win by insulting, by dunking on the other guys on ~Twitter~ bluesky, or by protesting. You win in a democracy only by convincing the very reasonable middle that you share their values. The DNC has taken a position of "Everyone not already in our tent is evil, fascist, dastardly white supremacists," but to their chagrin, their current tent is under 50% of the voting public and it isn't growing.