Adam Sandler is a comic known for pushing the envelope. Around the world with humor and satire others do too, sometimes to great results, sometimes to tragedy and sometimes to just really bad tatste. Often where the line is drawn depends upon who is viewing, reading or hearing the piece. For the record I will state that violence is never an appropriate response to any expression of opinion so long as that expression itself is not violent. Then the only excuse for responding with violence is to stop the continuation of violence or to protect other people and sometimes property.
Moving back to Mr. Sandler--readers can easily find his filmography online. In terms of Native American experience recently a script for an upcoming spoof of the old western movie genre offended Native American movie actors on the set. It is unclear when they received the script or if they knew of the character names and/or scenes involved. A video captured the exchange. The Native American actors who took exception to a character name and various scenes eventually walked off the movie and the incident gained widespread attention. The headlines identified the "stereotypes" as objetionable to the actors.
Stereotypes can be and are harmful. Happily in America the actors had the freedom to express their opinions and leave. Would anyone find these stereotypes appropriate on any major league team of any school team: