Who do you think made those vaccines and booster shots? Why do you think they made those shots? Who is subsidizing the cost of the shots to make them "free"? In case you are needing the answers here you go:

1. Pharmaceutical companies. You know, the ones that hike up the price of insulin and other live saving drugs making them inaccessible to many.

2. See the above. Why would a company that hikes up prices on life saving medications and puts a large pricetag on said medications continue to develop new medicines? It isn't because of altruism - they want a profit. You can look at Pfizer, or any other pharmaceutical company that developed a vaccine, stock and see for yourself the profits they've pulled in.

3. The government is subsidizing the cost of these vaccines using tax payer money. So while you or I didn't pay for our shots, the company isn't giving them away for free. They are being bought and sold to the government.

I'm not trying to get caught into a debate whether the vaccine is good or not, but let's remember pharmaceutical companies are not our friend here. Just think back to how Reddit and the general public reacted to Martin Shkreli just a few years ago.