Why do people feel like they're entitled to short wait times?
I don't think anyone feels that way. I certainly don't and I also don't complain about long ATTRACTION wait times. What I do find unacceptable is a 30 minute wait to pick up a quick service food order. It's also unacceptable to stand at the turnstiles for WAY longer than necessary because group after group shows up without a reservation and then the CM at the turnstile has to sit there having a 5 minute conversation with them, trying to explain why they can't come in. Those are MANAGEMENT failures. And they should be addressed and rectified. Add some extra cast members to walk the entry lines telling people to have their reservation QR codes ready. Create separate entries for passholders who don't need a photo taken. Better allocate staff at quick service places, especially during rush meal times.
When rides have long waits, we just do something else. No use complaining about long attraction lines because it isn't something Disney can specifically control. The other stuff that they CAN control, they absolutely should so that people don't spend their ENTIRE day (rides and everything else) waiting unnecessarily.