Brian you make 3 good points here, thank you. You are right the bigger topic is how things are discussed on the internet, not actual "welding". Every once in awhile there is a response from a pro that is the real deal.
3) A bully's goal is to elevate himself, he will gravitate towards challenges that he expects to win. But on the other hand, I bet you didn't post any pictures of welds that were serviceable,,,,,, (but you know that in the right conditions, position, access, with more time to prep, higher $bid, etc) you could have done much "better". So what? The job is done and once you have enough experience you know its good.