At risk of sounding pedantic, legally speaking there is no such thing as using "...

kube-system 8 months ago | parent | context | favorite | on: AGPL license is a non-starter for most companies

At risk of sounding pedantic, legally speaking there is no such thing as using "AGPL software under proprietary license". In that case it is simply software under a proprietary license. This is an important distinction, legally speaking.