They already did it for four years, during the Biden administration. The largely Obama-appointed/promoted senior leadership at DOJ/FBI did it during the first Trump administration. That's what led to the current vendetta. It did not appear out of the ether, or happen because Trump is deranged and only imagines enemies using the power of government to go after him and his followers. Democrats did that.
Don't forget what Dems said over and over during the last eight years: Regardless of the motivation of the prosecution, if they did not commit crimes, they would have nothing to worry about!
No, I won't like it when Dems get into power, because I know they will go right back to it.
The solution is for Dems to ask Trump to sit down and negotiate and end to the lawfare, and for both sides to honor the agreement knowing now that the GOP is capable of beating the Dems at their own dirty game.