There is much to say and many here have said it very well. Chuck Elias really hit it on the head - you have absolutely no idea of the evaluations being made of your performance. And if you don't have the big games, then you don't cut the mustard yet. You have been evaluated and you just didn't know it.
I'm not trying to offend you, but there is no possible way you can have accumulated the required experience to work top level anything in 1.5 years... in any sport.
Ask any of those that are ahead of you how many YEARS they spent getting to where they are. Experience is needed and in general that takes years of time and strenuous effort.
I worked in a Regional, Adult slow-pitch tournement with only a couple years of experience. I wasn't near the official I am today, 20 plus years later. They needed a body and I happened to be one of the better choices at the time. I didn't do well and likely wasn't strong enough to have worked the plate (slow pitch softball... the plate! Oooh baby that's demanding). I only worked my first High School state championship (fast-pitch softball) last year. Worked State American Legion Baseball championship this last year also!
As others have said, it seems that to rise to the top in basketball is more difficult - more competitive than other sports.
Another thing that is common to officials is that we all tend to think we are better than we really are. And the younger and the newer we are, the more we think we are being cheated due to politics. And those that think they are superstars deserving to be promoted immediately (whining and begging, pleading for bigger games) are generally the worst.
I would ask you to continue officiating, but you've got to discard your ego. I only know of a couple officials that worked Varsity level Basketball in less than 4 years... and it was a couple more years before they worked the top games. And in general, I don't think they were ready. It was an eye opener for them.
As the veterans will say "You've got to pay your dues." And I will add, being promoted without paying your dues, will end your career... quickly. And you won't have a choice, like you do now.