It's 100% because the number of operations happening on Github has likely 100x'd since the introduction of coding agents. They built Github for one kind of scale, and the problem is that they've all of a sudden found themselves with a new kind of scale.
That doesn't normally happen to platforms of this size.
A major platform lift and shift does not help. They are always incredibly difficult.
There are probably tons of baked in URLs or platform assumptions that are very easy to break during their core migration to Azure.
> A major platform lift and shift does not help.
ISTR that the lift-n-shift started like ... 3 years ago? That much of it was already shifted to Azure ... 2 years ago?
The only thing that changed in the last 1 year (if my above two assertions are correct (which they may not be)) is a much-publicised switch to AI-assisted coding.