Sure, but most businesses also start to research ways to improve their margins as they go. The market doesn't typically reward flippancy once one competitor starts taking a particular issue seriously.

That honestly doesn’t surprise me too much. Many businesses don’t fully explore all options before making a decision. Or really, they probably go with the first option that “works.” I can see why this seems surprising, but I bet it’s pretty common 

WeAreAllSatoshi

This guy with Synota pointed out that they're probably not even getting the best deal with these large pools anyway. I get the impression, as weird as it sounds, that they just haven't done the research.

jasonb

bitcoin

Reflections on industrial mining after my first larger conference

I imagine that most industrial miners are hyper-focused on maximizing profit and are not really all that focused on doing right by bitcoin, i.e. protecting against 51% attacks, routing to the "best" mining pool based on "ethics", etc.