By telling customers a visual inspection is all that's needed when he knew the products were likely contaminated. Lots of contaminates too small to see can result in an abscess.
By not announcing the problem on other boards - even after promising to do so. I don't know if that eventually happened, but there were at least several days when he knew about the problem and withheld it from other boards.
A minor issue, but since you are asking for examples: the $100 store credit I was offered for posting blood work I opted to have donated to ABL as PPL had offered. It never happened despite me badgering
@PurplePandaLabs Rep. once a week for at least a month.
I agree on the refund, but only limited refunds were given, and many pinned the gear with no knowledge of the risk they were taking.
I don't personally give much value to the opinions of vets just because they've been here longer. In my short 5 years or so here I've seen the vet consensus be wrong quite often.
Time will tell.