he is allowed to have an opinion, but it is meaningless to anyone else but him if he cannot back it up with any arguments based in facts.
the game is not out yet
there for FF > TLS by default
we don't know ANYTHING about this game
he cannot possibly state TLS > FF
simply because it has no arguments , and is therefore not based on facts
wich means he may keep his opinion, but should refrain from stating such baseless strings of words