Brother None said:
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The second option is less simple, hence Occam's Razor dictates the first is most likely true.
But it isn't Occam's Razor applied correctly because it leaves out important information to begin with. Occam's Razor should define something with the fewest assumptions, but it does not mean you get to leave out assumptions or baselessly pretend that your assumptions are true. Honestly, there was no reason for him to site "Occam's Razor" in the first place and it is more or less a fallacy in terms of appealing to authority to cause his argument to appear stronger than it was.
The simplest solution is not the solution which leaves out important information. This is why his assumption fails, and why Occam's razor is a ridiculous claim. He could have said something like this:
According to modern research(and provided a link), others are more responsible for what you like about those old games than Molyneux is.
Because without any type of support for his argument Occam's Razor does not matter because his claim is unfinished. It's an appeal to authority, and a glaringly bad one, because he's using the concept of "Occam's razor" as the support for his claim. That's just pathetic, and I'm with trash on this one.