"You can lead a horse to water, but you can't make it drink."
https://learningnetwork.cisco.com/s A place to start if you want to drink facts instead of Kool-Aid.
If all you want to see is WEB bloggers who don't know any more than you and get paid every time you read their dribble, or are selling the garbage ( all the above, I looked) stay happily uninformed and Pay $600 for a $35 switch .
Fiber works fine. Still carries IP traffic. Still layer one. Just costs more.