AWS is playing the long game and betting that M1 based servers start to take off. It's very risky (and expensive) but it would pay off if they are correct.
They would be first in the market and be years ahead of their competition.
They would be first in the market and be years ahead of their competition.
Now if Apple were to selling/license M1 chips to them, that might be different, but there is no indication that's going to happen in any way, and then the current work based on Macs wouldn't really be preparation for it.