Everything suggests this variant was leaked from a laboratory engaged in gain-of-function research.
Omicron is not normal. No immediate progenitors are known; its closest relatives are viruses last seen in early- to mid-2020. The orthodox explanation for this awkward fact, is that it has spent the last 18 months lurking “in a geography with poor genomic surveillance … or … in a chronically infected individual.” The simpler explanation is that it leaked from a laboratory.