Last week, when rumors broke that YouTube might finally become profitable, most of the response was actually pretty snarky. As an example, take the initial post at Slashdot – it suggested that it was about time that YouTube was making some money. If anything, YouTube’s success – which certainly has been a long time coming – seemed like something that was well overdue. But another take on YouTube’s slow, steady move into profitability is a bit different. Instead of snarky, it is optimistic. Why? Well, first is that maybe it had to take this long to create a viable online business model for video; and…