This is an iOS optimization. Why should this make me fail the PWA checklist?
Thanks for raising this @krabbypattified! Seems to be a new case of #2474.
We might want to consider a looser approach to the meta viewport parser instead of playing iOS whack-a-mole.
As of current latest lighthouse version 2.8.0, the issue still occurs in the SEO part of the report:

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As of current latest lighthouse version
2.8.0, the issue still occurs in theSEOpart of the report: