This happens absolutely everywhere. Many B2B SaaS products could have been a single T-SQL script in MSSQL or some other paid/non-OSS/evil capitalist equivalent.
I think a lot of developers lean on ideological angles to deflect rational criticism of their lack of progress and direction.
Unity and Unreal are absolute powerhouses if you have an actual idea and a burning desire to express it as quickly as possible to as many customers as possible.