No it doesn't. It doesn't mean that at all. What's the point of having a good strategy if you don't know how to use it. There are fundamentals such as keeping note of what is going to stop you and how to get around that, planning what pokes are not as useful and knowing when the hell to sacrifice them or otherwise. Just because you have some 'awesome amazing' set up to something doesn't mean shit if I know how to manuever around it with lesser Pokes. Say some random Newbie uses a team trying to build around Kyogre and you're using a regular 'balanced' OU team and won. Does that mean your team strategy was better than his team? Hell no. It's cause he doesn't know how to use it.
Obviously there has to be a balance. However, a team with a good plan is going to be able to survive even if it doesn't execute it, but a well executed plan means nothing if the plan sucked in the first place.