In this case you have not only peer pressure, and that is enormous, but also from the management - you not only suspect, but at this point you are sure you will

In this case you have not only peer pressure, and that is enormous, but also from the management - you not only suspect, but at this point you are sure you will be fired for expressing an opinion that may be true, but not in line with the official view. What incentives do you have to pursue the truth? More importantly, how can you be genuinely interested in improving the situation inside the company?