It was a free app with no advertising, so it was not used in a commercial context.
> I'm finding it extremely difficult to have any sympathy
People have sympathy for much worse things - you should perhaps work on your sympathy. Here's something to help you: the person wasn't a business owner for decades and just wanted to help others with similar issues, hence spending dozens of hours of his personal time to build an app to share for free.
It was a free app with no advertising, so it was not used in a commercial context.
> I'm finding it extremely difficult to have any sympathy
People have sympathy for much worse things - you should perhaps work on your sympathy. Here's something to help you: the person wasn't a business owner for decades and just wanted to help others with similar issues, hence spending dozens of hours of his personal time to build an app to share for free.