"Standard" is just slapping six High OU pokemon together and playing mindlessly (I hear people saying things like "skarmbliss noobs" and "sheep teams" all the time, so I guess that's who i'm talking about here), while "strategy" is being creative, thoughtful and original, even if you are using six standards. That's the way I look at it, at least. And since I look at it that way, i'd have to say that a strategic team is infinitely more useful than a standard team.
I guess the best example would be to compare it to Magic: the Gathering. Ever been to a vintage MTG tournament? There are like 10000 different cards available, but only about 5 different decks present at any given tournament. And they are all the same - the best the metagame has to offer plucked directly from the pages of Inquest Gamer. Those decks would be "standard". And there are always a couple of guys that show up with original decks designed against those 5 standard decks and proceed to kick ass. These people would be examples of "strategy".
Your ignorance pains me young one! Have a seat and listen.
The terms "standard" and "strategy" aren't polar opposites or anything like that. A pokemon team can have an overall theme, strategy, gimmick, whatever you want to call it,
AND use certain pokemon to counter others.
In your M:tG example, the unwashed masses that copy and use the four or five decks that are posted all over the internet and in magazines
are using strategy. Specifically they're using the strategy or strategies that those four or five decks are designed to use to win (beatdown, denial, comboing out, etc.). Those that show up to a tournament with decks designed soley to defeat those few decks taken from the magazines and the internet are
METAGAMING. The term metagame is derived from metagaming. It's not the otherway around.
Meta (from
Greek: μετά = "after", "beyond", "with") in this case means that the player is playing above, beyond, or outside the game. Meaning that someone is looking at the current environment and planning to counter common strategies (decks or "gimmick" teams, like sandstorm or flinchax teams) or individual elements (cards or pokemon). Basically metagaming means that you develop your plan/s around what your know or think your opponent is going to do.
The way you used the term metagame is wrong. But everyone (myself included; just look further on in this post) does the same thing. As a noun it'd literally mean something like, "the game outside the game." When we use the word like that what's meant is something along the lines of, "the current enviornment of the game." Few people use it as a present-tense verb.
But I've digressed etymologically.
A large part of the strategy in pokemon is putting together an effective - can KO six opposing pokemon with relative easy - and stable - six pokemon that aren't going to get mollywhopped by one or two of the opponents - team. Occasionally a team will need help meeting one of these two goals, thus we metagame and select pokemon to eleminate common threats. Or we employ pokemon to counter things detrimental to the overall strategy.
Edit 1: I've been beaten by Mr. E (see surgo's post) and hipno on just about every front.
Edit 2: I've spent WAY too much time and effort on this MONSTEROUS post
Edit 3: I never even clearly answered the OP's question. The answer is that
the ability to counter threats and your over-arching strategy are intertwined and are equally important to a well balanced and designed team.