Honestly said, I don't think you can do anything to fend off the attacks. I don't think you got attacked because of something you did, but because lots of people admire you and your work. That's apparently enough for some people to hate you. Only by unpassionating your readers, can you hope to actually stop the haters. I hope you will reject that option.

Bonjour, je viens de recevoir ma commande et je voulais vous remercier de la part de nos jeunes joueurs qui ont été très heureux de leur trophée. Et merci pour le délai de livraison raisonnable vu le travail de gravure qui devait être effectuer. Merci.