If you don't trust them with your data, why would you trust them with the truth.
Allow all ads and let the people decide for themselves.
But if you're on the side that is providing the fact-checkers, I see how you'd want your propaganda be stamped with an approval and your opponents facts be dismissed with a fake news label.
Censorship is a slippery slope guys...
We don't fact check polical ads on newspapers or TV ads. There is a reason for this. Jesus fucking Christ.