Definitely. It's the same with most types of bigotry. Like, where I lived in Indiana no one would call themselves a racist, they say they don't have problems with black people, but then their actions are to warn people about being where black people live, say racist "jokes," ridicule biracial children, and now and then you'll hear one of them openly say they should be able to still own black people as slaves. Of course they aren't racist, they'll claim as they point out black coworkers and acquaintances they claim as friends.
Or the guy who claims go not have any problems with women, but gets upset over the idea of a woman being in authority over him.
It's also that with trans people. My mom says she supports me but she's saod many things that make it clear she doesn't. A former member here who said he's cool with trans people took some by surprise when he said it's rape if a (post op) transwoman has sex with a man because the transwoman is allegedly misrepresenting herself.
This reminds me of some of the discussions I remember, some involving some branches of my family and friends of the family in various regions of the country. To say they were "bigoted" would be an understatement. In some communities, it seemed more of a general philosophical condition. There were some who would express outright scorn and hatred at the targets of their bigotry, but there were others who took a more "liberal" approach emphasizing more kindness, reasoning that "those people can't help what they are." That was their way of "being nice," and it's through those exchanges and encounters that they're able to derive the fiction that "many of my best friends are ______." But it comes across as fake and put-on.
I think about this when I sit through our yearly lectures at work, typically about discrimination and harassment in the workplace. We all know what we're not supposed to say, and we are all compelled to behave professionally in a work environment. I guess that's corporate America's way of "being nice." But they also don't want to get sued, so there's a legitimate business concern.