Vegans at most account for 3% of the population. In a corporate entity that large, it doesn’t matter if you miss a hire or not. So if a vegan was offended, I’m sure no one cared and was happy to offer the job to someone else.
If you want to make a point about how good the salmon is, invite them and treat them to the best salmon in town, instead of dumping a dead fish that nobody asked for on their doorstep.