While I've never fished the Priest Lake Thorofare (2 mile narrow waterway that connects the larger southern lake to the Upper Priest) we've paddled it many times over the past 45 years. It's a placid quiet place (no wake zone) that has no development much beyond its opening to the big lake, and it's common to see all sorts of wildlife from quiet human powered watercraft.
It's also quite common during the height of summer to have to endure the continual blast of incredibly loud music from big ski boats and pontoon boats partying their way to the Upper Priest Lake (also a no wake completely undeveloped waterbody).
I've no idea why people go to pristine places and choose to temporarily obliterate their opportunity to enjoy the natural ambience...but they do...and they're the same people who routinely choose to disregard the no wake regulations (put in place to reduce bank erosion and to protect waterfowl nesting habitat).
It is, however, deeply satisfying to watch Idaho's well-equipped marine patrol (which heavily patrols that area) issue costly citations to such assholes....as well as occasional seizures of personal water craft (which tend to be the very worst offenders of both the no wake zone, boating safety, and BWI regs).
I guess assholes always gonna asshole.