Explain this... Yup! You guessed it a poorly made buuuuuuuuug report.

Alright sorry, I have to put in some description...

Tested on the "High-Speed" "24/7" "Lag-less" Realms...
I am sorry but how come realms... Are so bad...
Zombies Don't Burn. Item duplication glitch in hotbar. Creepers don't explode. Fall Damage bugs(as shown). Random Disconnected From Server. Chat messages take 3 seconds to appear. Building terrian takes 2-3 minutes.

I was thinking of posting this in MC-REALMS... However I think that is one is for Java based version.