I haven't seen this posted yet (forgive me if it has been), Oxford County MPP Ernie Hardeman responded to my email, pre-drafted by the OFAH website - I've copy and pasted the specific response surrounding boat launches:
Regarding boat launches, these are permitted to be open. However...
Advertising is what keeps Channel 6-8 on the air. To this end, please take a moment to disable your AdBlocker. If you would prefer an ad-free experience, but would still like to help support site operations, please consider making a donation.