I agree, but I think there is also another effect at play here, which is the end of private circles where opinions can be exchanged "present company excluded". If you watch old tv, for example, you'll be appalled at the sort of things (harsh, elitist, dismissive of the general opinion) that could be said even in a broadcasted event- the audience was self-selected, recordings were rare and generally unavailable, few were reading any sort of newspaper. People were entitled to unpopular opinions because they had a limited circulation. But today, when everything is recorded, cut and pasted, infinitely available and replayable, every statement made in public must be crafted to be acceptable to absolutely any audience in any context and at any time. Those who contravene the rule are at terrible risk of having their public, work and private life destroyed by public uproar- effectively resulting in a strict censorship of opinions.