Should we maintain websites displaying photographic evidence of the holocaust? The Vietnam war? Combat footage from Iraq/Afganistan?
Overall, even web search engines and ISPs need to be vigilant during indexing/hosting of websites and come up with some method of periodic review of websites being visited/hosted and tag them as appropriate or non appropriate.
Somebody profiting from somebody's death or misery or injury is not cool and goes against the very grain of civility.