https://tip4commit.com/github/django/django
Project maintainers have decided not to notify new contributors about tips and they probably don't like this way of funding.
Funds that are not claimed during 30 days get returned back to the donation pool of the project
https://tip4commit.com/github/django/django
Then they return the tip to the 'project' pool which is themselves for unclaimed or unwanted funds: The donor is deliberately deceived about whether the person or project will ever get the money.