That sounds like an extremely good way to ensure they cling even tighter to the lies sold by the Tates of the world
Antagonism is extremely effective at shutting people off from change. If you antagonize someone and they actually change, they almost certainly could have been better reached through compassion.
And when, like the vast majority of people exposed to antagonism, they don't? You have now convinced them anyone outside their bubble is unreasonable and cruel, and given them a sense of persecution they will reflexively hide behind any time they're confronted with an outside perspective