hi @missourimary, and welcome to the forum! thank you for bringing up the topic, it’s one that genuinely confuses many newcomers (and is a topic of minor debate among experts, too (hi @tonyrebelo ;)
As you’ve likely gathered, the general consensus here is that it’s better to have a generic ID than none at all. I myself add many generic IDs.
most of what I would have said has already been covered, but I will add one thing: for beginner or generalist identifiers, or even an expert trying to I’D something outside her expertise, “Plantae” may be the only thing they can confidently add. anyone adding an ID is trying to help, in what small way they can.