I have met a couple of them in real life, and a few I have met online. The sample is not significant enough to draw any conclusions about their point of view and background.
I am more than interested in your opinions about the personality and political makeup of people who express this type of pro-C bigotry.
Eh, depending on what you like to program, C, C++, and Rust are often the only languages that will let you do certain things.
If your specialty can be done efficiently or effectively with other higher level languages, then you would be justified in thinking of those languages as BS.
Just as a data scientist who specializes in quickly sorting and comparing data with Python or R would consider C, C++, and Rust to be awful tools for the job.