I mean you really need to take off your pink glasses.

There is no sane CEO/website owner/business owner in the world who would suffer this kind of malfunction and skip notifying his clients about it just being malfunction to be fixed.
Why? Cause he knows if he does not do that 99% of his clients s going to withdraw and run the moment he gets his website back online thus effectively destroying his business.

So during this 24 hours any normal webmaster would post a note, send a group email, anything. Do we have something? No. Accept it. They run.