That is, the free money, in credits, that allows you to not worry about performance for a while.
The obvious problem being... "What happens when the free money runs out?"
It's not addressed, but the implied answer seems to be "Well, by then it'll be six months later, and..."
And? And what? It's still a problem! It didn't go away.
The money deflected the perf concerns for some time, maybe a year - but then it's back, bigger and badder than ever.
Rust solves that by not requiring that outlay ever, by being more efficient.
Seems like a very poor reason to not choose Rust, to me.