This is a really tough question. Our thinking is that this is user experience driven and by making liquidity as easy as possible to access (and access quickly) will be the biggest driver of marketshare. We also want to have the depth of liquidity and that's stemming from being interoperable across implementations.

There's a few things that we're optimizing for with Magma: Speed, User Experience, and Reliability. It may not the cheapest place to get liquidity or the most on-chain efficient, so users that want to optimize for those qualities will likely choose other options. But lightning network operator time is precious and probably the dominant cost of running a routing node.