Libertarianism is already demonised in the circles of the parasite class - they know it is the only political threat to them as the “conservative” parties in every Western country are part of the same totalitarian duopoly system which pushes state power ever further into the private sphere.
Let the media portray him as unhinged - their tactics are not working like they used to and their grip on the narrative continues to erode.
Having people like Milei and even Vivek put these ideas out there shifts the overton window and helps normalise concepts which many have never previously been exposed to. If the parasites think they can spin it well good fucking luck to them, I reckon it’s just accelerating their inevitable demise.