No they wouldn't, or they would but they'd complain that it isn't free and run campaigns about how nice the manufacturers' houses are with sob stories of some lady who couldn't afford it.
BTW, I don't think they have a cure for cancer that they're suppressing, but the research funding is going to long term treatments rather than cures.
This is the why I have no confidence in $mnmd stock. The believers tout the efficacy of psychedelics for mental disorders, but it isn't profitable to cure them with 1 or 2 doses of something cheap as opposed to lifelong medications.