Ya but they are owned by freaking microsoft and have billions of dollars and employees to throw at the problem. The outage problems shouldn't be happening period.

Easy to say that! Some problems are legitimately hard to solve though. Github is likely seeing usage patterns that have never been seen before and I bet some of these failure modes are novel

If you are at the limits of your architecture you may need to re-write things, and if you are rewriting things you can not arbitrarily speed that up by throwing dollars at it.