I'm new to this, so just thinking...
Say some company, let's call her X, has almost unlimited resources (think Google). For some reason or another, that company is now motivated to crash Bitcoin.
If that semi-limitless company invests 10 billions dollars in building the most gigantic ridiculous Bitcoin farm in the world (10 billion is not that much, go check how much the tobacco industry spends on lobbyism / marketing).
Can either of the following things happen?
1. The computing mass increases to such a degree, and in turn the difficulty increases to such a degree, that no one but them and perhaps a few other big companis can remain in the game without losing ridiculous amounts of money, thus leaving them with more than 50% of the mass ( or they remain even though it's no longer profitable for them, just to be more than 50%)
2. They posses so much computing mass % that they simply pass the 50%
If I'm an idiot and do no understand some mechanisms involved here - please explain how I'm wrong and why