ecash solves the critical pains of payments, while settling, routing, liquidity and other LN pain can be batched daily or with any other async process, each party using its own preferences

ecash mitigates all the synchronicity pain so elegantly it's not even funny

yes, its technically custodial, but the incentives could be so powerful that the risk of a rug is minimized in such way that the system as a whole is never threatened, the extreme opposite of fractional reserve banking