As i said i am not surprised, after all it is Playtech. Nonsense is to be expected.
It is an absolutely clear case of misinformation and is misleading the players into the believe we could have a 5x5x5x5x5 = 3,125x insane max. multiplier, which would give Buffalo Blitz huge potential to become one of the most played slots, but is in reality a measly max. 25x only.
It is also not clear nor described in the pay table/game rules how it counts in the bonus round the Diamond and Buffalo on the same Reel.
This should be all clearly explained in the paytable/game rules section but is totally missing.
All of the above will not fare well with the UKGC or even the MGA.