I don't understand why Joyent clings to a dead operating system. Are they planning to single-handedly keep solaris alive? Cloud computing is a commodity. Many

I don't understand why Joyent clings to a dead operating system. Are they planning to single-handedly keep solaris alive? Cloud computing is a commodity. Many (most?) customers use multiple clouds in parallel. Learning and maintaining the intricacies of a niche OS in this environment is a nonsensical proposition. And for what? For a few percentage points on a CPU benchmark? Seriously?