I don't think that in general (even in organizations) the KRs of OKRs have to be quantitative, they just have to be more-or-less binary. For example "agree upo

I don't think that in general (even in organizations) the KRs of OKRs have to be quantitative, they just have to be more-or-less binary. For example "agree upon the spec for feature X" is a perfectly valid KR.