A conspiracy-minded person might think that Ivermectin, Hydroxychloroquine, etc. were being poo-pahed so that Big Pharma could come up with an expensive treatment for covid.
X2
Effective, actual vaccines are bad business. Repeat business is where the money is. Cures don't make as much money as treatments. Heard that directly from a doctor who owns a string of clinics.
That's why they try to change the meaning of the word vaccine from what it has always been to include mRNA therapy shots you'd have to take regularly for the rest of your life.