[naming guests after players in server and drowning them causes crash?]

I was playing on my server with a friend and he's new, so as a joke I showed him that you could drown guests.
He thought it was hilarious and so I named a guest as his username. as soon a the guest with his username drowned he crashed.

Is this intentional? Is this a glitch? Was it just a coincidence?

[option to ONLY have Twitch guests]

This would be very cool, as it would mean that the only guests in your park are real people.

This would be useful for people with a decent follower amount!

I would honestly use this, even though I only have 1 follower.