I think it's good that you care. Glad that he prefaced that with "Unpopular opinion", but it's sad that he skipped right past multisig solutions including those from companies with a history of qualify service.
END OF AN ERA VIBES.
NEED TO FIND THE WILL TO STOP CARING. MOST NEWCOINERS WILL BE FED TO THE WOLVES.

Discussion
That wasn’t the goal of the post. His audience is bitcoiners that wouldn’t necessarily use an ETF product, so by painting (not unreasonably) single sig as dangerous then the target audience will look into the collaborative custody company he works for. That’s how I viewed it anyway