But then how do I decide whether to recycle or not, vis-à-vis global warming?

And I would agree that political science is largely concerned with philosophy, but let’s not mistake any old politicized belief as fitting under the umbrella of “political science”: that e.g. a manual recount renders any conspiracies about an automatic ballot-counting machine irrelevant to a final vote tally is a matter of common sense, not profound debate—and yet this has proved a controversial point these last few weeks.