Please read this piece by David Raphael.
Summary: They’re slowing down access to AWS. If you host your application there, your readers and users get lower performance. Their reason, presumably is that they want Amazon or Netflix to pay to get the performance back (Netflix runs on AWS).
This is an outgrowth of a recent court decision that says they can do this.
But they probably will re-think it if it gets them the bad name they deserve.
[Shameful. Where’s gigabit Internet I can feel good about?]