Truthfully, Is RV'in becoming less enjoyable

In addition to "go where they ain't", I'd suggest "go WHEN they ain't". My wife and I use our camper primarily before Memorial Day and after Labor Day. Not by design, it's just worked out that way. We've been to very popular places and it's been empty. For example, Cape Cod empties out after Labor Day. Forget the RV part, but you typically can't move around on the cape during the summer. It's just as beautiful off season as it is in season, and that's just one example.

The downside, of course, is if you want a summer destination, it may not be as appealing to you in the off season.