I think it can be multiple things, there are some Trump supporters who are very religious, some are just racists, some that are disenchanted with the way things are and want anyone to burn it down, some are as you described, and some that are so deep in the cult of personality that when confronted with evidence that contradicts their beliefs, they double down - there are multiple videos of this last one, like blaming Biden or Obama for some policy when Trump did it.