I guess I am pretty far from saturating my WiFi in any way, the removal of cables with little to no impact on connectivity was far more of a priority for me. I have never noticed a WiFi related outage or performance loss.
I have never felt the need to have a wired connection for my DNS/DHCP, since such a trivial amount of data exchanges hands. The quality of the wired connection if it had one would similarly have negligible impact, surely.
Sure, a service that manages an infinitely smaller amount of content and complexity. It is a situational tool, hardly a YouTube killer... the banner presented on the homepage professes that it's expensive to run and please donate.
The perfect solution... it is not.