Here’s a perfect example of the differing mindsets and approaches of two highly accomplished identifiers:
I myself am of two minds.
I usually ID within the Great Pile of Plants, in my region, and then I am grateful that someone has already put them there for me.
But I do wish that the observations that have no hope of being IDed further (like a single torn leaf, a tangle of plants from far away, or a blur of trees across a skyline) would remain in the Great Pile of Unkowns. Because once they are in Plants, everyone who looks at plants will see them, whereas if they remain in Unkown, only the intrepid souls who venture into that realm will encounter them.