I'd like to add a positive experience of my own.
I recently ordered a recessed T-thread adapter and a couple of other parts from Moonlite Focusers. The order arrived promptly but the wrong adapter was supplied.
After e-mailing Ron about the problem, he replied today with an apology telling me to keep the incorrectly supplied adapter and that the correct one would be sent to me immediately at no charge. A UPS shipping notification followed shortly thereafter.
Many thanks to Moonlite for continuing to provide fantastic service to the amateur astronomy community.