Yes, support for conservative ideology has always been about racism, as Thaddeus Stevens and Abraham Lincoln agreed about the founding of the GOP
It's the racism. People bristle at that fact but it's been true since day 1 of Trump, and if we're honest, support for pretty much any conservative ideology has been inseparable from racism for...ever? It may cloak in tax policy and morality on occasion out of convenience, but it's core is racism.