Using a lot of words is often a response to getting repeatedly misinterpreted or misunderstood by others. It results in putting up ten explanatory, context, definitional, or guardrail sentences for each one sentence of novel content.
I think you're talking about something else: using words extremely precisely, even to the point of the being annoying. I recall reading the Unabomber's manifesto and being annoyed by the almost paranoid preciseness.
In contrast, this comment chain was more about EY using large words pretentiously, to suggest expertise or intellectual depth that he doesn't actually have.
