Did anyone hear that SpaceX had to strap a seal to a board and play launch sounds over headphones to get permission to launch at Vadenberg? The kicker, they had to do it twice. Source, Lex Fridman interview with Elon Musk.
[1] here's a 5 year old news article with a screenshot from 2013. https://www.teslarati.com/spacex-paints-x-on-western-falcon-...
For many people, the assessment is utterly unnecessary, and should have immediately concluded that any possible impact to seals is acceptable.
If it is OK if the seals die, then it should be OK if noise upsets them.