Pardon my ignorance but what's the point of building a L2 on Cashu? Is there an article or post I could check out

Democracy is imperfect and both have their trade offs.

Normally I don't unless I have no choice.

It would be cool if you can sign messages with OpenKeychain offline and then share it via QR like how some airgapped hardware wallets share their transactions

I used to watch his youtube videos a while back when I first became interested in learning about privacy. What are the implications, incompetentance, fraud or something else?