Earlier quoted context omitted.
Not really. Snapchat and Instagram both introduced video features around the time Vine started declining. Instagram's video support is what killed the Vine userbase as the big creators moved off of Vine. TikTok didn't fill a void, it's a fantastic video app that did a lot of things right. There was a lot of new video apps after Vine died, none of them were successful.
Is it? I took a look at it after someone mentioned some days ago that it's available on the web, no account required. Searching for videos is pretty terrible, so I did want to create an account for more possibilities but that wasn't possible on the desktop. Then I installed Bluestacks, installed Tiktok, created a dummy account and took a proper look that time. The "For You" stuff was rather useless, so I searched for…
Also teens and young people in general say that their parents and grandparents moved to Facebook because of which they do not feel comfortable doing all the shenanigans on the Facebook anymore.
Zuckerberg was genius and cursed at the same time because he created social network for everything or in another words for general content(text, photos, videos etc.) but he didn't specialize in any until recently when he and his team started paying attention to each and every of this content category.