It’s open source and it’s free. You’re free to pay too if you want to support them. Software costs money.
What Louis is protecting against in his license is repurposing the app with malware and ads like was repeatedly done with new pipe. Pick your poison.
I’m not sure I understand your philosophy there or you’re joking. Why is GPL so important? Isn’t the purpose of open-source to validate that no funny business is happening?