[cosmosgenius]

Kagi is not mentioned true, but there are always talks w.r.t using site, intitle, time (before 2018 eg) filter to improve search. That indirectly can be considered as "having low quality" from one POV.

[IgorPartola]

I would post that most lay people, the ones who make Google their money, know nothing about those tools Google has/used to have.