The moment you're thinking of which flags to cap, which positions to take, which routes the enemy take or which buildings to preserve then you're already ahead of about 75% of the players at the very least. The average player won't think about defending their gimme flag because they don't even know why that's important.
They are focused on the moment to moment gameplay and aren't really aware of what happens after they've moved through an area. That's not saying that those people couldn't do it if they tried, but it's just not the kind of mentality that's for everyone. Some people just want to drive their tank and wreck things. We all have that gaming buddy that you really need to keep away from explosives, because as soon as they get to blow things up, they will, even if that includes you.
