We're rarely under any obligation whatsoever to be kind, or empathetic, or caring, or socially conscious. Nonetheless, I aspire to be those things. So if I were writing a JPEG encoder, and I'm picking a test image, I could:
1. Use the Lenna, which originates from Playboy, which Wikipedia describes as controversial "on both technical and social grounds, and many journals have discouraged or banned its use", and where the subject in question has recently requested to cease its use, or
1. Use the Lenna, which originates from Playboy, which Wikipedia describes as controversial "on both technical and social grounds, and many journals have discouraged or banned its use", and where the subject in question has recently requested to cease its use, or
2. Use anything else.
I'd choose 2. Seems like an easy decision.