FAA puts it all on the pilot, they state pilots must be aware and respect local rules and ordinances. There is no equivalent of the airport traffic pattern to govern boat traffic…."

(Read Seaplane Base Operations)
https://www.seaplanescenics.com/documents/faa-8083-23-seaplanehandbook.pdf

Halibut Cove has a local rule/ordinance which states,

'Halibut Cove practices Quiet Time until 1 PM to respect our locals' privacy. Please join us in respecting this time and arrive no earlier than 1 PM.'

This was a morning flight taking lodge guests to Katmai for the day.
The pilot was in violation of local ordinance, the FAA hand book points directly at this.

Not that I nessasarly support Marian's actions but she most certainly appeard to have her boat precisely under control.

If this was reckless boating, how do you define what takes place when boats set nets on the line for salmon in Bristol Bay or better yet, the action that takes place on Herring openers in congested waters?

A commercial Alaskan fishing boat without battle scars is a boat that's never been wet.