Common answers:

- Increase time preference.. But you run the risk of locking bitcoin for a ridiculous amount of time.

- RoboSats.. But LN is increasingly centralised, over-engineered, and you still end up having to pay the fees for on-chain cold storage.

The one true answer:

- Come up with a beautifully elegant as-simple-as-bitcoin way of TXing faster and cheaper by improving the concept of UTXOs themselves.