Yeah it kind of does, most of you guys don't know that people make mistakes, sometimes mistakes that are hard to get over, he's probably realized you guys barking at him won't help anything, ignoring you people is the best thing for him.
ignorance is bliss, I suppose
although that's a pretty pusillanimous individual way to look at the worldan opinion cannot be invalid, or valid, it's an opinion based on judgment.
I'm surprised you know how to read definitions
anyway, general masses can determine whether an opinion is valid or not just by way of acceptance eg you wouldn't trust an applevendor's description of their crop because it'd be biased
tl;dr your opinion is invalid because you're both stuck in the same boat so of course you'd be on his side