Right. How about we look instead at a state level since that's where the impact is. Ohio, Pennsylvania, Virginia, North Carolina, Michigan. Let's compare the popular votes to seats won there and see what the numbers show.
Densely populated urban areas are generally very dominantly Democrat, while sparsely populated rural areas lean conservative.
Here in Illinois most district races are like 60-40, but you get into the city of Chicago and now you see the 90-10 elections for the Democratic candidate.
What are you going to do? Create a down-state district that includes a slice of Chicago in it for diversity? The bulk of Democratic voters are tightly packed, the *only* options to spread their vote out is either (1) gerrymander the shit out of the state making even crazier slices so inner-city Democrats are represented out in the far suburb districts, or (2) you ditch the whole districting system in gov't.
Or you could take the easier route and just become increasingly pissed off with life.
And I don't know how other states did it, at least in Illinois the Democratically controlled legislature redrew the U.S. Congressional districts, so it's like it didn't even matter who controlled the U.S. House, the state gov't here redrew it. The IL Dems gerrymandered the shit out of the map and you can see the effect in the second like you provided, they redrew the maps so incumbent Republican members found themselves in the same district as another, meaning one of them cannot run for re-election, and the adjacent district with an open election for the Democrat to have an easier election.