On that subject, the fuck were the democrats hoping for?

I don't understand why rational people like you keep acting surprised. The democrats do this because they can. It's a risk-free smear campaign. Best case for them, Trump is impeached which removes any remaining resistance to Biden's election steal.

If they lose? They don't face any legal consequences and they won't be seen as the bad guys (by their own voter base). They then get to go on a media blitz about how Republicans are evil and should be regulated, which is yet another PR win for them. Most importantly, it's an implied threat to the cucks and RINOs among the GOP's ranks, that this administration won't take kindly to any kind of opposition.

On that subject, the fuck were the democrats hoping for?

I suspect they're going to use this is a justification to begin excluding republicans as far as they can from the structures of US government.

The DNC are good people, see, and if good people have decided that Trump was a seditious white supremacist, who but a bad person would argue with them!