The only way I see a company like this having "significant economic harm" from you not using their free app is if 1) they eventually plan to charge a fee to use the app or 2) they profit from data their app collects about you (third party data sales, for example).
Not something I'm interested in either way, so they've lost a potential customer.
I think you may have misread OPs post. They haven't built a PC since shirtly after they were 10-11, which was almost 30 years ago. So developments since the turn of the century are in fact relevant here, heh.