Education certificates? Those are mostly useless after you've got your first post-college job. And the majority of people have never and will never sign a contract where a paper copy will be required in the future.

Education certificates? Don’t even know where mine are. If I need to prove my education I just log in to the government portal and download a signed PDF of my diplomas.

Not really. Most under-30's these days have no experience or education in how or why to preserve important papers. It's just not common these days.

To be fair, random unidentified masked gangster thugs can just remove your wallet and you'd be in even more trouble

I've never heard that advice and the only people I've ever known to carry it were white children

It's useful when you're opening a bank account but social security cards don't have photos so cops don't care. If you have a photo ID, the card is useless. If you only have the card, that's useless, too.