On the other hand, the things that get defined as monstrous are also the things that defy categorization,*

Like the blank areas on early maps, marked 'Here be monsters'

Though the original Latin was 'Hic sunt leones' - 'here be lions'. I can live with that.

That's their puzzle to deal with.

Oh, yes indeed. Though unfortunately they will insist on blaming us for their failure to work out the answer!