What do you mean by centrist? America doesn’t really have a left-wing political group, certainly not in any mainstream way. Obama referred to himself as a Reagan Republican and Biden is even more right-leaning. Even figures like AOC and Bernie Sanders are extremely anodyne, not at all “left wing” just barely more liberal than American centrists.
The “centrist” view in America is extremely far to the right, which then allows factions like Trump’s to be far right to deeply fascist, racist extremes (this is not hyperbole, Trump is dangerously fascist) and yet still act like he’s just “on the right” because “centrist” positions in the US are themselves so deeply far right already.
The US really urgently needs more mainstream far left politicians, instead of nearly-Republican examples like Harris, Warren, Biden, Buttigieg, etc. AOC & Sanders are the closest, but by no means do they represent views that are anywhere near being a healthy “far left” ideology to help draw a compromise from the far right and towards a healthier centrist position.
“Centrist” in the US would at least be on the fence of letting individual own assault rifles, withdrawing federal funds for abortion, reducing the EPA and decommitting from international agreements on climate change, granting large tax breaks to corporations, eliminating social welfare programs for oppressed classes of people (in ways that overtly hurt the poor, minorities and women), and creating a legal chasm blocking any road to universal medical care, all while buying into jingoistic ideas about America being the best and dehumanizing other groups like immigrants and foreigners.
That’s the centrist position in the US. When anything further left is even suggested, the socialism boogeyman is drummed up and huge populations of people will vote against it for no other reason than “socialism bad.”
Any sense of acting like there’s a benign Republican core of ideas around states’ rights or lower taxes to be discussed in good faith is just gobsmackingly wrong about the US. That is just simply a falsehood.
What passes for middle of the road, “good faith” centrist discussion is deeply far right already, and “both-sides-ism” where “liberals claiming all Trump voters are racist” is disingenuously used to act like it’s “the same as” the behavior of the American far right is both completely wrong and contributing to the problem.