Coffee is good.
Coffee is bad.
Each is a research finding, with no conclusion in sight. Don't for a moment think that it's the story of coffee alone. Look around and you can find 'research' findings for the most mundane things.
Cocroaches do it in broad daylight.
Now, would it really matter? I mean, somebody really takes time out to watch roaches make out? How do they know the roaches are only wrestling or having a rowdy argument? Or better still putting on a show. "There's that ding-a-ling research guy again with his eyes on us. Quick! Help me pick my teeth..."