The grandparent's comement is the exact same growth lead hype-cycle rhetoric that was said for Snapchat, Vine, Periscope, Yik-Yak and Shots. The hype is from ByteDance's VCs.
When they get their massive exit, the hype will deflate and the users will grow out of TikTok and find another rockstar social network. Rinse and repeat.
When they get their massive exit, the hype will deflate and the users will grow out of TikTok and find another rockstar social network. Rinse and repeat.