It's possible but the vaccinated people who later caught COVID (Biden, Fauci) usually caught a weaker strain later and didn't die. I recognize the side effects of the vaccine, particularly with younger people, but for older people in vulnerable categories, getting the jab might have been a rational decision.
ETHzurish was going after FOX as early as June 2020, well before the jabs were availble. The following working paper is about 60 pages.
https://www.research-collection.ethz.ch/bitstream/handle/20.500.11850/427768/CLE_WP_2020_10.pdf
Here is a 40 page working paper blasting FOX in July 2021 about jabs.
https://www.research-collection.ethz.ch/bitstream/handle/20.500.11850/496948/CLE_WP_2021_09.pdf
All you have to do is read the first few pages to get the jest of the papers...
I'm nearly 3/4 of a century old, but retained my critical thinking over the years. I came across Dr. Zelenko and his life-saving protocol with HCQ, zinc, Z-Pak producing near-zero deaths after 1000 cases. Meanwhile the CDC was intent on bumping up the death toll at every opportunity. When it changed the definition of 'vaccine' to include a product that modifies DNA as a 'vaccine', that act of dishonesty set off the alarm for me.