> It is unthinkable to me that anyone believes there is such a thing as computer security

Nobody I know in security hardening or vulnerability research has ever believed that anything is perfectly secure. It's not black and white. There are degrees to this.

I find this fatalistic thinking that every database should be assumed compromised to be subtly harmful. Everyone I know who thought that way waltzed right into lax security practices. "Good enough, what's the point, if anyone wants it bad enough they're going to get it anyway"