Why don't they sell that stock back to the public to raise money for operating expenses? Because they'd have to sell it for much less than they paid a year ago?

Why don't they sell that stock back to the public to raise money for operating expenses? Because they'd have to sell it for much less than they paid a year ago? I hate this idea that the taxpayer needs to subsidize risk for corporations. It creates a huge moral hazard where companies are incentivized to act as irresponsibly as possible. There are no consequences.