Not only is that unhelpful, it's also untrue. It doesn't capture the goals of the tea party movement for example.
It's true the outcomes of conservative ideology are often what you say, but that doesn't make it a goal anymore than the fact that there are welfare cheats makes cheating on welfare a goal of progressive politics.
"It doesn't capture the goals of the tea party movement for example." It doesn't have to, it just has to "capture" the reason that the movement gained popularity over any other movement. Theories explain why phenomena occur, it doesn't matter if the people who are part of the phenomena disagree.
It's true the outcomes of conservative ideology are often what you say, but that doesn't make it a goal anymore than the fact that there are welfare cheats makes cheating on welfare a goal of progressive politics.