I mean... do you guys know how these places operate? A complaint such as this at Guest Services stops at Guest Services. "Oh, I'm sorry about that, here's some Express passes."
Responding to their surveys with feedback might be slightly more effective, but even then, they're typically looking for feedback on specific topics which may not include park upkeep. The surveyors are also looking for specific demographics to survey and I'm not even sure you can volunteer to give feedback.
I assure you, the intent here is not to troll. I'm calling out a company charging premium prices for their parks, the same or higher than Disney's prices, but treats everything outside of the ride track areas as some sort of a functionary soundstage that's okay to look beat up and neglected. Literally just pay even a little attention to what I'm talking about, and you will see it everywhere. Outside of Potter, of course.
I always find it funny that, for the Disney online fan community, half the "fun" is ripping apart every single thing they do or don't do. But when it comes to Universal, it's always dismissed as trolling if you have anything negative to say about it.