Additionally, a large number of people today have adapted their lives around internet accessibility beyond just sharing experiences. Is a class running and there's something about it you don't understand? Pull out your phone and look it up! No need to try and find someone who happens to know and is happy to explain. That's just one example, but the modern casual fan (of anything, not just NHRA) likely won't care to be disconnected at an entertainment event, especially one where "the show" has significant down-time.