A long look around this site will tell you that few people are actually sceptical. More honestly, they are against all forms of mitigation of the Covid pandemic.
This is a slight simplification, since they are wildly enthusiastic about drugs that have to proof of merit.
The common theme is that they always want to go against any qualified advice. It seems to be some binding principle, they can't resist.
Who is controlling them and why?
Argument from Authority only works when the statements of those in Authority is confirmed or substantiated by the corpus of knowledge on which that Authority is based.
This is not case now with SARs CoV2 and the public heath response. Every single action and claim made by those in Authority since Feb 2020 is either partially or totally at variance with all previous published literature or previous public heath policy.
We have been discussing this here at length for well over a year with copious primary source references. If you use the search function you will find all these very well documented discussions.
As for motivation, thats easy. Institutional incompetence and political expediency and our old friend, the Fallacy of Sunk Cost.
https://en.wikipedia.org/wiki/Escalation_of_commitment
What we have is a public health bureaucracy with a high degree of credentialization and very little actual expertise. Think of it as the PhD Dunning Kruger Effect.
So back in the 1960's and 1950's, when we had the last serious pandemics, the whole country was not shut down even though the health risk was much higher (as was the death toll) because the senior people making the decisions had actually walked the infectious diseases wards and dealt with serious epidemic infections for decades. They had immense clinical expertise.
All the current generation have a huge amount of paper qualifications, many years experience of large organisation management, and almost no substantial clinical experience. In real world terms they have'nt a clue what they are talking about. And what they do say is mostly what they can partially remember from their medical training decades ago. before they specialized. Because when you check their statements again event basic textbook, let alone the published literature, almost none of it withstands even the most cursory inspection.
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So the default assumption, rarely wrong, is that every single statement by Authority is a either wrong in fact or substance. Or a self serving lie.
Thats what actual skepticism is. Not a credulous belief of a very vested interest just because they have the outward trappings of Authority. If you had spent much time around these sort of people, highly credentialized high profile academics "experts" etc over the decades you would dismiss them with the little respect most of them deserve.
A good rule of thumb is that those at the top are basically BS artists and back stabbing careerists. Thats how they got their job. You will find the people at the mid level know their stuff. And no one and I mean no one one who knows what they are talking about will ever talk to the media. Because the first sign of real intelligence is knowing what lying manipulative scum too many media people are. Because thats how the media business works.