True enough. It's a bit different nowadays with Twitter though. Celebs will be acutely aware of the platform they have and gleefully use it to manipulate discourse one way or another. Pre social media it'd be embarrassing for a celebrity to be known as a rent-a-quote on topics that are of absolutely no relevance to their status and/or position. Now they have a direct feed to the masses and are actually listened to and talked about, beyond readers of the rags/celeb mags.
Yes, it's definitely more immediate and prone to whimsy as a result of tech alright.