There is a significant difference between labeling a behavior versus labeling a person.
I have no problems with describing a behavior as contemptible; there's nothing hypocritical in that. How any reader decides to apply it to themselves is their own problem, not mine.
Moreover your initial response is that people were beyond help, which is quite different than and your most recent response — that consider it a waste of effort. The first implies impossibility, the other that you're not willing to spend the effort. They are very different attitudes.
I clearly diffe in opinionr: I believe in a democracy, its vitally important to help everyone understand that science is a process to understand the world, and that understanding the world helps us make better decisions.
Alienating people en masse is never wise in a democracy, and a little extra effort can make all the difference for all of humanity