its also interesting that you think ecash is a better stack. I just see it as a more complicated stack with less reliable payment option for vendors accepting payments.

The biggest benefit of lightning for vendors was to remove to chance of chargeback fraud, which is a huge issue for vendors.

You can eliminate this by just enforcing a mint when receiving payment and using lightning again, but then you don't really gain anything from ecash other than privacy, which is not nothing, but you can have private lightning wallets as well without ecash. its not that complicated.