All the properties you like in ecash exist for liquid (apart from stealing funds).

The above tutorial is a literal example of easy swapping to LN, same is possible for onchain.

On your liquid points.

Fees going to functionaries is decentralised.

Liquids federation is one of the best that has ever existed, many millions went into this process (custom hw, geographically seperate - because that's what needs to happen for a federation to work).

Liquid is far less vulnerable to governments, its cryptographically has proof of reserves, ecash does not, so is producing currency - a crime govs hate above all others.