Your dad is probably a straight white guy with a decent job cruising to retirement.

If this were the actual cause, then where are all the gay Mexicans rioting in the streets. There should be, at minimum, millions, if protesting and rioting were popular ideas.

Null hypothesis: until their lives are significantly impacted, most people will ignore the administration and wait for it to blow over. Not because they are scared, but because they are busy and have lives that they care about living.