People who pretend like MAGA and “Reagan Republicans” are massively different haven’t been paying attention to the party for the last ~60 years.
From 1954-1973 we saw major legislation & Supreme Court rulings like:
Brown v Board of Education in 1954 (racial desegregation of public schools)
Engel v Vitale in 1962 (rules school prayer unconstitutional)
Civil Rights Act of 1964 (outlaws discrimination based on race, color, religion, sex & national origin in things such as public accommodations & employment)
Griswold v Connecticut in 1965 (protects the right to use contraceptives)
Voting Rights Act of 1965 (prohibits racial discrimination in voting)
Immigration & Nationality Act of 1965 (eliminated national origin, race & ancestry as a basis for immigration)
Loving v Virginia in 1967 (protects the right to interracial marriage)
Civil Rights Act of 1968 (outlaws discrimination based on race, color, religion, sex & national origin for housing)
Roe v Wade in 1973 (protects the right to abortion)
These led to Republicans utilizing the Southern Strategy to appeal to white racists along with the rise of the Christian right that Republicans aligned with in the 70s.
Yes, Trump & MAGA pushed the movement to the extreme but you don’t get to this point without the last half century of appealing to these groups and pushing back against any form of social change.