Honestly that makes me hopeful. It means that a lot of the performance issues people are seeing are pretty well understood as to the "why", and so correcting a good portion of the issues he pointed out is a much simpler task than some elusive bug that requires tricky troubleshooting, and is straightforward enough to presumably be currently underway.
Their code is all hodgepodge and all over the place, because they're doing genuinely really cool stuff with their software here. They need to up their project management game and make sure it's not micromanagement, then get more devs when they can organize the work for 'em. That's all doable and probably trying to be done.
It's ultimately a common and very solvable problem, so I'm optimistic.