unpopular opinion: this phrase is right, sometimes. In that context, at that conference, bad call. But sometimes… people think they want something until they get it, and then they realize they don’t want it.
How you phrase things is also important. Never having played WoW, they came across as arrogant and out of touch. Something that’s only been reinforced by their further actions. The “Do you guys not have phones?” comment is just the sequel. The issues only be more and more serious since then.