Even governments can't handle seed phrases. And we still assume our friends or family will handle a post-it with seed phrases correctly when we're no longer here? https://www.bleepingcomputer.com/news/security/48m-in-crypto-stolen-after-korean-tax-agency-exposes-wallet-seed/
$4.8M in crypto stolen after Korean tax agency exposes wallet seed

South Korea's National Tax Service accidentally exposed the mnemonic recovery phrase of a seized cryptocurrency wallet in an official press release, allowing hackers to steal 6.4 billion won ($4.8M) worth in cryptocurrency.

BleepingComputer
That's one of the reasons I'm building https://trustbourne.com
Trustbourne

Trustbourne checks in with you regularly. If we can't reach you, your files go to the people you chose.