The current maximum speed per single-mode single-core fiber (aka, the typical FTTH ones), is on the order of 400,000,000Mbps, or 400,000Mbps per channel. Not much leapfrogging there.

https://en.m.wikipedia.org/wiki/Fiber-optic_communication#Parameters

This is generally referred to as 50Gpbs. It’s impressive, but there’s no need to use inappropriate scales.

That’s “useful” when you can effectively only use it for Baidu, rednote, TikTok (the local version that’s isolated from the rest of the world) and WeChat