The user's first name was "Christian". He claimed to be Jewish. Most people ignored this bit of cognitive dissonance, and joined the mob. People only hear what they want to hear.
> The guy isn't real. A quick reverse image search would have shown this guy is also known as "David Shiffer" based in Norway, apparently a CEO of ServiceLayer, yet no mention of him anywhere else on the internet - including LinkedIn (strange for a CEO) and another profile of his linking to a dating site.