You could increase your donation estimate by 10x and it probably still wouldn't be worth the effort. On GitHub, starring a repository is free and yet log4j2 was

You could increase your donation estimate by 10x and it probably still wouldn't be worth the effort. On GitHub, starring a repository is free and yet log4j2 was only has about 1700 of them. Even if each of those was a donation, your suggested 25 or 50 cents translates to only about a single day of a market rate developer salary.