is that its supposed centre is so far to the right.
The middle in most democratic countries allows protections for the vulnerable and argues about more or less.
In the US, one party wants to disenfranchise and damage the vulnerable because it imagines a fantasy world in which somehow markets or benign communities will embrace them. The reality is a brutal view of society, in which consumers might as well have targets on their backs, gross inequality is normal and life expectancy among the poor is reducing, like nowhere else.