This post offends me, apologize now! :(

Definitely agree with you. Joke wasn't that funny, but it wasn't even borderline insulting. Why do people get so offended by that? And if he thinks watching others play is a waste of time, why does one have to get angry at that? Some of them, Youtube commenters in particular, make the most raunchiest and disrespectful jokes, and expect people to tolerate them.

Now, if this was a master plan from Kimmel to elicit those responses, now that was really funny. I mean, he did fool everyone with the girl who caught her leg on fire because she fell while twerking. But it seems like a longshot.

I do watch some gameplay for some games I might buy and maybe some tips here and there, but that's it.

Professional sports involve physical parameters that very few are born with, and even then STILL cant make it to the big leagues despite that. Pro gamers are skilled, but they are not exceptional in mind or body. I even find it kind of insulting that some people want to compare someone who pushes keys for untold hours a day to someone who is literally the strongest iteration of physicality humanity can offer.

I blame the internet.

Not met many footballers have you? Peak of physical fitness doesn't mean that they are peak in mind. 

You can train to be good at anything, else what would be the point of education/training. Sure some might have more natural talent but this works the same for gamers. Each sport has it's own set of required skills. A 100m sprinter could not in anyway beat the best in the world at Squash. Look at the Decathlon, these althetes can perform exceptionally well in loads of track and field events but they are usually way off the world leading times/distances. A gamer has their own skills, enough to become that good at the game.

By your criteria, professional go and chess players have no merit because the pieces they play with don't weigh 100Ibs each... -___-

We have inflated our own egos thinking because we can speak and be heard we have something to say. 

i'd rather have sex then watch porn think about it

I like to play football myself and also watch it being played by people who are actually good at playing it.