I felt bad for some tiktokers

I was bored 1 day and I use the search bar in tiktok just to see what videos is relevant for my search. It could be any topic and I scrolled down and I found tiktoks from 2018 2019 2020. I decided to check the account and most of them stop posting maybe a year later to my surprise some of them even have a huge following maybe close to 100K. There's 2 person so far that I found they have posted since 2020 and still posting to this day and they only have 500 and 1000 followers. The view count is low like below 1000 views for the majority some of them lucky enough to hit pass 1k. They have been doing this for 4 years straight and i thought growing in tiktok is easy compared to other social media platforms. I'm still thinking how do people go viral in the first place does it based on luck?