The Facebook ads were only a part of Russia's orchestrated espionage efforts, by themselves they really don't mean much, haven't really seen anyone who implied that they were major role players, but their discovery can't just be easily dismissed
https://www.theatlantic.com/technol...lities-of-the-facebook-russian-ad-buy/541002/
And to dismiss the entire inquiry into Russia's role in the election based upon the Facebook ads is erroneous, they weren't even discovered till after Mueller's investigation was launched