Earlier quoted context omitted.
The license is actually pretty restrictive: you can only use this if you own a small company or work for government / non-profit. Most average human's (including myself) can't use the source code in any way: > You may use the software under this license only if (1) your company has less than 1 million USD (2024) total revenue in the prior tax year, and less than 10 million USD (2024) GMV (Gross Merchandise Value), or…
They are probably also trying to get free contributions to the codebase. Gumroad is infamous for underpaying and using cheap labor where possible.
What? Where do you get this from? It's quite the opposite.