Stickin' by it.
People have already explained it to you here but if you paid attention the build-up is definitely there and it was there during the Resurrection F arc.
If they were just "leading fans on" as you say then why change those events from the movie? They did it for a reason which was clear at the end of episode 27.
Now fast forward to episode 30. Gohan wants to go to the tournament. He reveals to Goku his motives for wanting to get stronger again and he says fighting against the 6th Universe fighters would be a good opportunity. However, upon hearing the day of the event he panics and remembers his conference is that day and specifically says it'd be bad if he missed out on that but he really wants to see the results of his training.
Just because he's being responsible and holding to a previous commitment doesn't mean it's a joke. I wouldn't even say they stuck to the manga because the manga left it vague while the anime has shown Gohan's actually getting character development and that's why there's reason to be excited about it.
Dragon Ball is stupid but not that stupid. Not even GT was that stupid.
Also dragon again?
I am laughing my ass off @ all these Gohan supporters. He still won't do shit.
Give me the worst avatar ever if he should win a real fight in this series.
Most of his supporters just want him to be relevant again. He doesn't have to necessarily win a "real fight" - whatever that means - to do so.