" Bottom line: They are not safe, and cannot be tested in a way that's
considered valid by any well-informed adult."


I think that about says it all. It shows how unreasonable guys like
you are. No amount of testing, no data, nothing could ever convince
you that any pesticide is safe. You might be well informed, but
certainly you aren't rational.

And you conveniently focus on grubs and one type of spring fungus,
which you don't even identify, like they are the only insect or fungus
problems a lawn is likely to encounter. I guess we should just ignore
the dozens of other common ones and pretend they don't exist.