What plagiarism?
Nobody is passing those quotes off as their own material.
If someone is going to post something on the open forum for all to see and the posts have not been removed, they are still there for all to see.
If y’all don’t want to own y’alls words, then don’t post them in the first place.
Once it’s on the internet, it’s fair game. No different than someone posting an inappropriate image of themselves and having it go viral.
If y’all don’t want your quotes spread around, then don’t put them up.
Nevertheless, I believe it is not Christian to do that with the specific person’s permission. God can be the judge. Good night.
Sometimes those partaking in an improv routine have to stop the jokes and deal with an audience heckler.