I'm less convinced that this is a matter of trust, I think it's more about value systems and priorities.
I trust my dentist to recommend me the best filling or crown material for my teeth, even in the face of financial incentives.
But his advice does not tell me, in an absolute sense, whether it'd be worth me paying $1K for a crown if that means I miss the rent next month. It's not a tractable problem.
I can't speak to the US situation, but in the UK in my peer groups most coronavirus-related argumentation doesn't revolves around whether e.g. wearing a mask reduces the spread of coronavirus, but around whether wearing a mask is a net positive for the society and/or the wearer. The former is a matter for epidemiology, the latter is nowhere near clear cut.