Back then, only a handful of people are considered content creators. It was only youtubers. And it wasn't very easy to make content before as there wasn't much watching youtube anyway. But now, anyone can film a 30s video on their phone, post it and garner views and likes immediately. Up to you what to do with that kind of shift.
Content creation is best skill because it demands your time and best quality camera, editing, if you are are writer then you could write a article. There are thousands of people who are making content and they are promoting their brands and products. People are buying the product at high price due to market value which they created by own . Many big content creaters are selling products online or many views are getting by hand because they are trusted because nobody can scam us. Your face matters a lot if you are doing content creation, people want to see your face and your goodness also matters a lot .You can promote other brands and products to get income and you will have multiple resources.