I have just been reading the comments on FAG Addicts about your not being thanked and I totally agree with you. I didn't want to get involved in a back and forth argument on that group but I think you are right. I do not take photos of gravestones and such but I do help out others with their genealogical problems and queries. I have had some bad experiences but a lot of good ones in which people take the time to use those two simple words, "Thank You" and it means a lot to me. It's just old-fashioned courtesy to thank others for anything they do for us no matter what it is. There's nothing worse than people who get information or photos from you and you never hear from them again. It shows a lack of respect for you and your work.
Anyway, that's my two cents worth. Keep up the good work and I thank you for bring up the topic!