Is there a reason that's not "good enough"?

Same kind of error can happen on your OS as what happened with coldcard. Most notably, discovered a few months before Bitcoin launched, while sitting in the field for 2 years: 

bitcoin_beginners

What did Satoshi recommended for Entropy and Wallets?

ignaciob

> Is there a reason that's not "good enough"?

Same kind of error can happen on your OS as what happened with coldcard. Most notably, discovered a few months before Bitcoin launched, while sitting in the field for 2 years: [The Debian Fuckup](https://research.swtch.com/openssl)