It pains me to say it after 3 years of building on it but I think lightning is ngmi, at least for non custodial pleb payments.
I think ark and liquid are fundamentally a more sound approach to L2 for...
Maybe an unpopular opinion but simply going on a #bitcoin standard even with centralised intermediaries facilitating daily transactions is a win for humanity. It's far from ideal but at least theft through inflation becomes impossible and productivity gains flow more to society, etc