Did you read the whole article you linked? It doesn't say the vaccinated get Covid more often than unvaccinated. (They don't.) It doesn't say the vaccinated get Omicron more than unvaccinated. (They don't.)
It merely says the vaccinated are infected by Omicron more than other variants like Delta. That's it. In other words, the vaccines are quite effective against Delta, but due to mutation, Omicron can slip past immunity a little easier.
The vast majority of folks in hospitals and the morgues from Covid (Alpha, Delta, or Omicron) nowadays are unvaccinated.
It merely says the vaccinated are infected by Omicron more than other variants like Delta. That's it. In other words, the vaccines are quite effective against Delta, but due to mutation, Omicron can slip past immunity a little easier.
The vast majority of folks in hospitals and the morgues from Covid (Alpha, Delta, or Omicron) nowadays are unvaccinated.