I think most of us will remain unprofitable until we find a channel size range, right now plenty of the ones making any money have massive liquidity and running a bunch of channels, In my mind I feel think that it gets to a point where the topology of the network needs a lot of lets say 0.01/1 million sat channels just feeding one another and doing multi-path payments.

Right now it's still in the formation phase, I learned alot by wrecking myself opening channels lol and I am still learning