True there was a blood bath for the Dems in 10,14 and 16 but they are still in charge and running the congressional agenda to their tune and have been since 1996. The Republicans would be wiped out after an impeachment of Trump. The Republicans are losers even when they win. When the lose they excel, when they win their behavior makes them just contemptible!
An impeachment would result in one party rule for 20-30 yrs. until the Republican party died out and was replaced. At the end of that time what’s left of the country wouldn’t be worth a warm bucket of spit. The Republicans just want the crumbs from the Democrats table and are perfectly content to lick any liberal boot or kiss any liberal a$$ to get those crumbs, they are losers to the depths of their souls. Trump has to break out of this mold or they will drag him down to the status of the Bush’s. What did they do but managed decline.
I don’t think the Republicans would care.