All of these are basically just programming errors or oversights
A
Hyper Beam doesn't need to recharge if it knocks out the opponent
B
It's possible to rollover your stats with too many buffs to make them zero
C
There's no way to get Mew without the use of glitches or events
D
100% accuracy moves had a 1/256 chance to miss due to a programming error
E
All these are true