My ego isn't infinitely tied to my opinions and views - though to some degree it certainly must be. I don't believe in deleting what I wrote but maybe I could have written something less polemic. I was probably damaging discussions myself.
The question is always: can you take a step back, reflect and maybe adjust your opinions? I even understand resolute positions on ephemeric topics such as ethics and value systems.
One can have long discussions about how to deal with a hijacked airplane heading for a population center. But baseless opinions about a virus or measured climate change, such as outright denial of their existence or impacts, have no place in "adult" discussions.
We should be concerned about how to face these issues and not discuss with trolls and gaslighters about established, independently proven facts.
I also think your last paragraph is over-the-top, and probably reflects a relatively biased sample from the underlying facts.