I have seen that in Dominion, but I have seen other strategies, too. To be fair, I don't think I've ever played a two player game, only three or four. I feel like a lot of what you need to do is determined by what your opponents do and which cards are in play. In certain setups, the easiest path to victory is to just buy a lot of gold and silver and go for Provinces. In others, the Action cards have more value.
Really, one thing I like about it is that it's never just a run for victory points right from the beginning, because victory point cards are worthless during your turn, but they're what are necessary to win. So typically in my group, the first half of the game has us building our decks, then the second half has us scrambling for victory points. We probably end the game by buying all of the Provinces about half of the time.