If I'm understanding this right, a miner with a slower internet connection can be put at a disadvantage by a guy with a better connection who blasts out large blocks.  So let's say Mr. Slowpoke is put at a 20% disadvantage due to his connection.  Would that really end up putting him out of business?  There are so many other factors that he might be able to use to compensate for his connection speed disadvantage such as cheaper electricity, cheaper labor, lower profit margin, lower borrowing costs, etc.  Businesses fight on many fronts, so would a competitive disadvantage in just one really matter that much?