How is this relevant to his opinion on writing fiction ?

> Please don't use Hacker News for political or ideological battle. It tramples curiosity.

https://news.ycombinator.com/newsguidelines.html

Does his opposition of homosexuality some how make his point about writing critiques less interesting?

I can't believe you wrote your comment on a computer with wouldn't exist without eugenicist shockley's nobel prize winning invention. Shameful!