Lightning wallets are hard. Non custodial lightning wallets are harder. Making a business out of an economically sustainable non custodial lightning wallet that is privacy preserving and competitive is insanely hard. 

Sometimes things don’t work out. Even good ideas built by brilliant people sometimes (most of the time) don’t work out. 

If you didn’t read the blog post, you should. If you read it you should read it again. Lot of answers in there.