I suspect sooner or later you're going to try to find a way to claim that anything which merely mentions someone's argument is an ad hominem, and your entire style is close to the fallacy fallacy ("I can name an informal fallacy, therefore your argument is invalid"), but...

It is perfectly fair to say "Scott Adams makes claims about himself which cannot charitably be interpreted as rational or reasonable, therefore appealing to Scott Adams (hint: appeal to authority!) when talking about a desire for more rational and reasoned and impersonal debate does not lend credibility to your argument".