The goal of politically active evangelicals is nothing less than the imposition of a full Christian theocracy - and that's no exaggeration.
Read their literature. Listen to what their people say at various conferences and events, including some well-known political figures like former AG Bill Barr, Tom Cotton, Josh Hawley, and even Ted Cruz. They and others are on the record at right wing events promoting what's sometimes referred to as Dominionism.
Do some searches on Christian Dominionism. It's pretty scary stuff. This is what underpins the religious right, which in just the last few years has fully snatched away control of the Republican Party from Wall Street and pro-business fiscal conservatives who were previously its main power players. The subversion of institutions they talk about is exactly what we're seeing right now. These people are serious. And we'd better be just as serious about opposing them.
netflix did a decent documentary on this insidious effort, called The Family. i don't pay for the service anymore but it's a decent watch and fairly informative for those that don't know about this movement.
Hmmm. I wonder if they do potlucks? What would it be like to slip in, all neighborly like, get to know them, and then... oh, I don't know, bring some "special brownies"? Maybe some purple mushroom omelets and be like... oh, I don't know...