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Nothing "funky" in using apps designed for encrypted storage of sensitive data, already storing all your most important data (id/passwords, bank cards etc.) to also store your Bitcoin seeds.
That's a good point. But the main difference between bitcoin and your ID, passwords and bank cards is that most actions can be reversed by a central party or LE can attempt to do something.
With bitcoin, no amount of LE will probably help you if you lose your bitcoins