I wonder what makes people actually believe this stuff. Both are games driven by rules where the player has a certain freedom to interact with what is presented to him or her. The biggest difference are simply the presentation and the more linear nature of a video game. That's it. When you have a DM who is not very creative or a quick thinker and not able to spontaneously depart from a prepared part of the campaign, then you get even closer to the more limited nature of a video game when it comes to possibilities of interaction. The other difference between PnP and games is just the audio-visual presentation: having nice graphics and sounds on a flat screen vs. a dude simply telling you what is happening in front of your eyes.
Just because a video game is by its nature less flexible in its narrative design and freedom of possible player interactions doesn't mean that the whole ruleset behind it suddenly falls apart and can't be applied to this form of media. Again, as mentioned time and time again in this forum by other people, it looks like it has to be said again: Solasta has already proven that the claim "PnP rules can't work in a video game" is bogus. The difference between both forms of games is much smaller than you believe it to be.
