You check into things in accordance to the credibility of the person making the claims.

It would not take long to see that Biden doesn't rape babies. Hell, a lot of what was in the Dossier was not looked into because they just dismissed it out of hand.

This kind of casual dismissal and reductio ad absurdum you're engaging in is an attempt to distract from the very real crimes very real people were very really arrested for doing regarding things described in the document.