Audioquest Vodka vs Wireworld Starlight 8 (Not Platinum) Ethernet

What are FMC points?

Fiber Media Converters, converts ethernet to fiber optical.

And how is FMC better than ethernet cable?

And how is FMC better than ethernet cable?

This video is a "how to" but does not demonstrate or prove that inserting the FMC link does anything useful.  The speaker refers to "analog noise" but does not demonstrate or prove that such noise, which may exist, has any audible or measureable effect on the output of the DAC.