It's the opposite, actually. Servers have very good and very fast network connections to other servers. Clients have very shitty network connections, especially

It's the opposite, actually. Servers have very good and very fast network connections to other servers. Clients have very shitty network connections, especially with wi-fi or mobile devices. CDN's can help with this somewhat, but a server-to-server network connection will still always be better and faster.