Almost 100% that's it. Lake of the Ozarks has this happen all the time. There's no way you want to be out in your small, low boat when the big boats come out to play. And there are areas of the lake that act like resonant chambers for wakes. It can get scary when you're in a 27 footer at times.
Guarantee the boats that had issues are low gunnel fishing boats that got swamped by the wakes.
Almost 100% that's it. Lake of the Ozarks has this happen all the time. There's no way you want to be out in your small, low boat when the big boats come out to play. And there are areas of the lake that act like resonant chambers for wakes. It can get scary when you're in a 27 footer at times.