I say strategy. The reason being, if you need to buy your flag runner some time, the situation might require you to spawn. Armies in the real world do it as well, to bog down the forces until their mission is complete. Not letting them go after the mission is complete though is cheap, am I right?

Personally, I have noticed many call me a spawner because I was buying my teammate some time to score. I don't think that is right. It is a strategy, overdoing it though would be cheap. Opinions?