What information isn't disclosed? The EMA publishes product information here:
https://www.ema.europa.eu/en/human-...ovid-19/treatments-vaccines/covid-19-vaccines
For example, the product information document for the BioNTech / Pfizer vaccine (Comirnaty) starts off like this:
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1. NAME OF THE MEDICINAL PRODUCT
Comirnaty 30 micrograms/dose concentrate for dispersion for injection
COVID-19 mRNA Vaccine (nucleoside modified)
2. QUALITATIVE AND QUANTITATIVE COMPOSITION
This is a multidose vial and must be diluted before use.
One vial (0.45 mL) contains 6 doses of 0.3 mL after dilution, see sections 4.2 and 6.6.
One dose (0.3 mL) contains 30 micrograms of tozinameran, a COVID-19 mRNA Vaccine (embedded in lipid nanoparticles).
Tozinameran is a single-stranded, 5’-capped messenger RNA (mRNA) produced using a cell-free in vitro transcription from the corresponding DNA templates, encoding the viral spike (S) protein of SARS-CoV-2.
For the full list of excipients, see section 6.1.
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I didn't go on to section 6.1, because it almost certainly has lots of information that I don't understand, but maybe you should? The information is certainly out there, it's a bit silly to deny that. I don't see that anyone is hiding anything.
About your other points, a natural COVID infection hasn't been considered sufficient protection against reinfection for a long time now, vaccination was found to cause production of many more antibodies than infection. What was initially a strong recommendation is now becoming a mandate.
I'm not sure what you mean by an "experimental technology"? There are at least 3 distinct technologies used, and one of them is entirely conventional, based on using the inactivated virus: Soberana (used in Cuba), Sinopharm (used in Argentina), and Sinovac (used in Chile and Uruguay). They seem to be less effective than the newer technologies, but the you could choose to get either of the last two quite easily.
And yeah, the science (you can drop the air-commas) is debated, science is always debated, but what's really undebatable is that it was better to get the vaccines than to let COVID rip. Doesn't matter if some of the technologies are very new or not, they were trialed, found to work and be safe, and went to mass deployment (and were stopped / paused if serious adverse reactions were observed). The process was fast, but it had to be.
Just as a matter of interest, did you check the absolute numbers of COVID and flu vaccinations? Only a small part of the population is vaccinated against flu each year, COVID vaccination is a really massive undertaking. I wouldn't be surprised if the number of COVID vaccinations is already far more than the flu vaccinations.