I'll counter that it does, allowing that it's perfectly fine to adjust the threshold of certainty about a particular thing's purpose to suit the circumstances.
If that fence is stopping the school bus from driving off the edge of a cliff, for example, I would absolutely not want to remove it - and you can bet I'll spare a modicum of thought to make sure that's not the case before I yank it out of the way.
If that fence is stopping the school bus from driving off the edge of a cliff, for example, I would absolutely not want to remove it - and you can bet I'll spare a modicum of thought to make sure that's not the case before I yank it out of the way.