From what I understand, you virtually had the entire world working on vaccines or ways to eradicate COVID. More money was being poured in to getting a vaccine than at any time in history, so if you are simply referring to a accelerated timeline as being evidence of the COVID jab being "experimental", that seems to fail to take in to account just how many resources were being poured in to this compared to a more traditional vaccine timeline of development.
Further, I'm pretty sure that over a billion people have received the jab. The side effects and negative outcomes seem to be pretty minimal, as we all know that nothing is 100% perfect. For me to by in to more of what you are saying, I'd want to know what are the percentage of negative outcomes (side effects) versus the number of people who received the jab without any problems. Maybe that's different for different vaccine mfgs, not sure.
The second thing is anyone can be a critic - especially in hindsight. I really mean that. It's so easy to armchair quarterback everything, it's something entirely different to come up with real world solutions. I personally would be more willing to listen to anti-vaxxers or whatever if they provided alternative ways to combat the problem, or solutions that would be effective for 99% of the population. Doing nothing is not an answer though. You need some kind of gameplan for this kind of stuff, otherwise we are doomed to repeat history.