Just go on with their lives? Are you suggesting that vaccination alone is sufficient and that normal people should ignore additional simple steps they can take to reduce their risk? Seems rather cavalier, at least for those in higher risk groups.

https://www.tandfonline.com/doi/full/10.1080/10408398.2020.1...

https://bjsm.bmj.com/content/early/2021/07/21/bjsports-2021-...