It's not so much time in place as it is other rationale.
If I buy a riverfront property, I’m buying it expecting to own the property as it exists when I buy it under the conditions it exists, and expecting to exercise the rights that said ownership grants. I evaluate the available properties and eventually select the one that best suits. I don't own any riverfront, but I generally believe people should get what they pay for.
If laws are proposed that seek to remove or limit some of those rights, then I stand to lose some of the value I place on that property and some of what I purchased. It may even be the case that I lose the very reason I bought such a property. I would be opposed to such legislation. Even if I don't own riverfront, I may very well oppose legislation that strips folks of what they owned. For example, I would very much have opposed the crap that happened at, and continues to happen in regards to, Celilo Falls--even though I would stand to personally benefit from the electricity and not directly lose much as I don't live near nor would I have fished there. On the other hand, when my childhood "next door" neighbor (15 acres away) wanted to continue burning dental waste and plastic (horrible stink and I'm sure fairly toxic, btw) and dumping used motor oil into his lawn 10' from a salmon stream, and the county instituted regulations limiting that shit, I'd be (and was) all for it.
If laws are proposed that seek to grant me more rights over my property, bully for me. If those rights are opposed by the public, that's up to the voters, lawmakers, and courts to work out. Pebble Mine comes to mind.