I don't know about anyone else, but I read the sentence as a causal opinion, mentally adding an "I think" into his phrase. I wasn't sure if his "fact" had any truth, but "effect" is debatable in almost all cases. And that's a useful mnemonic to have, because it allows you to avoid the common trap of needing to "prove" someone wrong on the internet.
A*****17: Hillary Clinton also tried to make GTA illegal, which _I think_ is a large part of why Trump became president.
