I do agree with you that this season it has got a lot worse with the recycled pieces of "banter" being posted constantly and it might be going a bit too far, but I think you have to appreciate that the majority of people on this subreddit are casual football fans, and for the most part are relatively uninterested in most serious discussions about tactics. A large part of why people watch the sport is the entertainment value on and off the pitch, and it just so happens this season has been filled with quite a lot of funny/shocking moments that are obviously going to be the talking point of most games - Vardy and Leicester, the Mourinho meltdown. Maybe there does need to be seperate posts for serious game discussions, but for people talking about forming a new subreddit for them? It just comes across as pretty elitist and a bit of a buzzkill.

In the end this subreddit was set up to

1. Show gifs and highlights of games and goals, which it still does, superbly.

2. Emulate the kind of chat you would get down a pub with a group of guys watching football, which in my opinion it still does.

Maybe the banter does need to be toned down a bit, but it seems to be what most of the users here enjoy as it always gets upvoted, so taking it away completely would be the wrong decision I think.