"Assume scale and sometimes incompetence" means basically the same thing to me as "they don't care about you." In either case, it's "we're okay with not making things right for a number of people who have done nothing wrong."
I don't know if anyone ever designed a fool proof system with 0 bad cases, but feel free to prove me wrong.
Yeah my money is definitely on 'they don't care'
Okay, maybe you're fine that some amount of people are just collateral and the system is not going to be adjusted to minimize that because there are other priorities (eg. meta's share price).
But when people need to spread their wings and fly off in to a fantasy world in order to pretend that isn't happening, then it's probably not going to end well for them / be conducive to their mental health in the long run.
A weird analogy would be saying "US should have no business growing to 300M if it has XM people under poverty level". Sure it should strive to do better, but doesn't mean that number can reach to 0. Sorry i couldn't think of anything else close to a billion users with systemic problems that's not a bigcorp so had to use government.