It's not actually sad. Social media and advertising involve incredibly complex and vast search spaces. The problem domains are massive and solving the issues in

It's not actually sad. Social media and advertising involve incredibly complex and vast search spaces. The problem domains are massive and solving the issues in those fields, like scaling software and hardware, enables us to build tooling and infrastructure that every field can use. So those businesses are the bootstrapper for other businesses. Example: SpaceX wouldn't exist if Paypal didn't exist first.