These stats are about the policy preferences of the electorate, while OP is about the politicians. But your picture is a fantastic illustration as to why the democrats lost the election. It's because they keep moving further right (look for example at their recent pro-fracking, pro-border wall, pro-genocide presidential candidate).
The chart shows democratic party voter opinion, not their politician's opinions. Kamala basically ran on Trump's 2016 border policy and earned zero votes because of it.
"You guys"
Bro the only us and them are billionaires and everyone else. Stop being distracted and focus on the problem, the fuckers siphoning any and all value away from honest hard working people and then blaming other less fortunate honest hard working people for it.
This just highlights how out of touch the DNC is from its own voter base. Those lines shifting left are the democratic voters, not their politicians. The democratic party has been constantly trying to pivot to the center and finding nothing but corporate donors.