Conclusion does not follow from first assertion. Self-diagnosis, while it can be a fair starting point, carries ample risks that are best mitigated with appropriate consultation. That consultation /might/ not be with a doctor, but there does not seem to be legitimate cause to disavow all dactors.
The art is to know when to do what.
I didn't write 'best to avoid all doctors under any circumstances'.
I am just pissed by the people nowadays running to doctors with the slightest symptoms or tiniest wounds.
If you have seen the movie Matrix, you know where this will end. Without evil robots.
I, too, am against "running to doctors with the slightest symptoms or tiniest wounds" on the grounds that it seems like a form of hypochondria, and can produce something like a Denial of Service attack, especially at Emergency rooms. But I'll acknowledge that some 'small' indications are, with appropiate context, worth a consult.
Best to avoid doctors and make educated self-tests after internet/Google Scholar search.