I can not get the ableism out of my head that me and my husband experienced

I have to get this out because it’s eating me alive. We went to a concert for my favorite band. I’ve waited 20 yrs for this concert. The lead singer had left the band 15 yrs ago but came back for a reunion tour. We show up early for meet and greet. All is cool. Then when it’s time for the show we are shown to the ADA section. My husband is a disabled veteran who lost his leg in action. He chose to use his chair since he can’t stand 4 hours straight on his prosthetic. For 4 hours we had to ask over 200 groups of people to not stand in front of the designated wheelchair area on the ADA ramp. Security tried to clear it and they just kept coming, not caring. We would clear one group and the next came. And the reactions! Looks at disgust for being asked to move. Cursing us out. Mocking him. Belittling him. Berating him. All for asking you not to block a wheelchair view in the designated area!!! Like who can’t understand that?? You can STAND anywhere and you choose to block those that can’t stand. If he had stood he would have blocked the other two people behind him in their chairs. Like I’m so mad!