1. No, they didn't.
2. No, they didn't.
3. No, it wasn't.
4. We still don't know how the coronavirus started. It's unfortunate that there was blanket dismissal of the idea that the virus could've started in a Chinese lab, but there were clearly people who, lacking any evidence to believe the virus started in the lab, were still sure it must be true because they'd created a conspiracy theory to justify it. No, it wasn't all the same people saying the things you believe are "lies" who also were completely dismissive of the idea that the virus could've started in a lab.
5. No, they didn't.
It sounds like you're closer to the traditional crunchy wholistic medicine anti-vaxxer than most politically motivated new anti-vaxxers, although you're clearly politically motivated, too.