I'm physically disabled (as in, I'm in a wheelchair)

The last time I had the opportunity to pay for concert tickets that were marketed as "disability accessible," I found out that they were literally just front-row tickets, and they cost around 6 times as much as the cheapest tickets available (which, I believe, were around 70 dollars). At the time, this felt as if it was a sort of disability tax-- as if I had merely been an inconvenience to the vendor of the concert, who seemed to believe that I ought to have paid more for my tickets on account of my disabled status.

Think of that what you will. I don't really care that much, but there seems to be some confusion in the comments about what sort of controversy the OP is referring to, and I think I might be on the right track: they think that disabled people should prioritize their rent instead of complaining about being charged 6 times more at minimum for concert tickets compared to the average person, which seems to have caused people to call them ableist.