Ah yer just bein crotchety Ent you?I don't know of anyone who named their kid Frodo. A lot of people took it on for themselves though. Duane Allman's daughter is named Galadriel. And I have known both a band and a store named Shadowfax.
I don't see how kindness enters into the question, or even politeness; Tolkien's dead after all.
But it all begs the question: who owns made-up words that have been published under copyright? Are they protected by that copyright, or does it just apply to excerpts of a certain length?
So do they keep all the rights to hobbits and orcs? I think these words have entered the language.
W-O