Advertising industry erodes the privacy of Ethyl Smith.
Bingo Card Creator supports and is supported by the advertising industry (and, in particular, corporations which encourage the erosion of privacy).
Every individual can easily excuse themselves from this process by saying there is no direct link between their own commercial effort and privacy erosion, and it's very easy to ethically justify what you individually are doing. After all, no single person or entity is literally saying or thinking "let's screw Ethyl Smith".
Personally speaking, I no longer find this a very good excuse.