I provided a chart on the attitudes of Hispanics towards big government. Their attitudes have not changed that much over several generations. CA is the example of what this country will look like demographically and electorally.
Here is a good article with lots of data: REPORT: Limitless Immigration Creating Permanent Democrat Majority -
These population groups are all up for grabs in 2030. Every political party has to continually learn how to compete. And, they either do learn how to compete or another party that will is created.
What will happen is that we will move further to the left as a country as the country is transformed by immigration from the Third World.
I understand your argument. However, I’ve lived too long to believe that things will actually continue on the paths that seem so obvious. I remember how recently it was that it seemed obvious to many that the US economy was doomed because of the obvious trajectory of oil prices. And, that’s just a very small example.