Anyone who thinks the government ONLY does things in its self interest is braindead. Their entire purpose is to divide, manipulate, deceive, lie, exploit, and exterminate via their matrix of rigged systems and monopoly on violence - all toward full spectrum dominance.
Vaccines are critical part of their scam to keep us suffering and in need of the daddy-state to help solve the problems they start.
Personally I like to give everyone the benefit of the doubt and start by assuming they are good until they prove otherwise.
However, with all politicians (left AND right) and corporate media (including their "experts") I will now ALWAYS assume they are manipulative, deceptive, or downright lying until proven otherwise. (Same with corporations, special offers, banksters, police, all "authorities", etc.)
Since taking on this attitude and understanding they're all Machiavellian, it's not failed me yet and it's made my life and all contextual understanding of the world MUCH simpler.
I'm not against water or seatbelts. I'm against adding flouride, energy monopolies, limits on freedoms.
Conspiracies exist, and most power-related conspiracies have at least some aspects of truth if not being completely true. If you actually used your critical reasoning you'd see this. Conspiracies are not just a plot device in movies.