Have you ever considered that "finding cures for disease" is really fucking hard to do?
Things that were easy to cure were already cured some time in the past century. What remains is the hard to crack nuts that resist simple scalable methods.
There's money to be had in curing HIV - but good luck pulling that off. Maybe someone will, this century.
Have you ever considered that once a disease is cured, the industry can no longer profit off of it being a disease? Treating disease rather than curing it, is a much more profitable venture.
How is there money to be had in curing HIV? It seems to me like it's much more profitable to continue selling expensive HIV treatments rather than curing the disease. Once a patient is cured, they no longer need to pay for expensive treatments.