When it's transporting goods (data) to the general public without discrimination, for the public good and necessity. Since that's the definition of a common carrier.
AWS isn't fundamentally transporting goods but providing a service (the transmission of data happens via a common carrier between you and it). It's not clear that AWS access is a public necessity. And it's never attempted to claim it does so without discrimination.
AWS isn't fundamentally transporting goods but providing a service (the transmission of data happens via a common carrier between you and it). It's not clear that AWS access is a public necessity. And it's never attempted to claim it does so without discrimination.