It's your interpretation that Disney should never have had those rights. The state of Florida clearly strongly disagrees with you, given that they have granted the same/similar rights to thousands of entities over more than 200 years (yes, before Florida was even a state). 1800 different active entities currently have special district rights in Florida.
I think debating whether special districts should be allowed at all would be a good discussion to have, but it is completely separate from whether what the government did in passing SB-4C is a violation of Disney's (and possibly the Orange and Osceola county taxpayers') first amendment rights.
I think debating whether special districts should be allowed at all would be a good discussion to have, but it is completely separate from whether what the government did in passing SB-4C is a violation of Disney's (and possibly the Orange and Osceola county taxpayers') first amendment rights.