you may very well be right. if you are, this may pose an existential threat to the democrats.
if the democrats cease to be a viable party, what then? i project that the republican party will divide into two wings, and perhaps into two separate parties. conservative v. libertarian? imperialist v. isolationist? other? pastafarians???
all of this is in the future, so it involves, at a minimum two “if’s” and a “maybe.” however it turns out, it will take time – probably a lot of it. …years, maybe decades