It's not like AWS doesn't have experience institutional experience with Linux.
Looking at the mess that is Amazon Linux 2023, I wouldn’t give that too much weight.
What mess? Moved most of our workloads to it. been quite pleased
Curious what makes it a mess?
We just need Linux kernel + whatever is needed for containers, what mess?
Amazon Linux is just one platform that is directly customer facing. Linux is used indirectly in lots of parts and the teams submit lots of patches to upstream.