COVID-19 Outbreak Information Updates (Reboot) [over 150.000,000 US cases (est.), 6,422,520 US hospitilizations, 1,148,691 US deaths.]

Doug B said
Specifically and narrowly: Against Delta infection, independent of symptom severity or clinical outcome. The data for the study was collected before Omicron became the near-universal variant.

In Denmark, there was a study looking into both Delta and Omicron. The creator of the video did lay out some of the weaknesses of the study though

livefromDC said
You know Vaccines don't stop infection just like previous illness doesn't. The vaccine probably saved your life but you're acting like you wasted the time it took to get it. Unbelievable.

But do we know this to be sure? It possibly could have but depending on age and overall health, probably would have little to no impact.