[Dylan16807]

Wondering if something was requested by law enforcement isn't implying a cabal, chill.

Also a couple kilobytes of flash costs basically nothing. And you could hash keys over a certain length, which is much better than having such a short limit on a human-typed string.

[bootsmann]

A couple of kilobytes of flash also doesn't come with the protections the tpm offers (or at least is supposed to offer, considering the article in the OP)