While that might be true, from an outsiders perspective looking at things like: the anti-immigration agenda, the death penalty, and the almost willful refusal by a large minority to wear masks (to name a few) - you can see how somebody might draw the conclusion that for a country whose population strongly identifies as Christian, it seems to be lacking in basic Christian ideals such as compassion and empathy.
I think you're mistaken about what empathy entails. It's not empathetic to let illegal immigrants in with no plan on how they're going to be taken care of and spit in the face of people who are legally in this country. Americans aren't anti-immigration they're anti illegal immigration and there's a massive difference.
It's also not empathetic to give people life sentences over the death penalty. If you want to discuss wrongly convicted people and the death penalty that's a good argument but the idea that it's better for society and the justly convicted individual to remain alive in prison for life is asinine.
What do masks have to do with empathy? I think that's just being used as a bludgeon to force people into wearing them because they're "bad" people if they don't. I don't find it empathetic to tell people they're required to put a face covering on or they're an awful person who wants to kill people. In fact, forcing your beliefs on other people is one of the most UN-empathetic things I can think of.
It's not empathetic to take the easy route and just give people material things, assuming that'll make them happier or better people. This is the entire problem with the left wing mantra. I would argue the idea that dumping welfare checks in minority communities so they'll learn to be reliant on a system of handouts, while simultaneously telling them the system is against them is the opposite of empathetic. Especially, when it's not followed up with other forms of help. Sometimes being empathetic means you need to harsh up front in order to improve things in the long run. Teaching people to be self reliant is one of the most empathetic things you can do.