I once sent him an email asking if he knew where I could get felts and springs for my Besson Prestige baritone since he worked closely with Besson in developing that instrument and is known to have a close relationship with them. He said he didn't know but would check on it and get back to me. A few months later he posted on social media that he was headed to Geretsried to work with Besson and I sent him a polite email saying that I had seen that he was heading to a meeting with Besson and reminding him that I needed some place to purchase those consumables and suggesting that maybe he could ask about it while he was there and in response he blocked me from following him on social media.
Jerk.
(it took me three more years of hounding Besson USA representatives and having my local music store call them every week to get the parts that I needed)