"Burgunday" aside, one might actually ask he Native people this refers to. The natives in the area the "Red Skins" team was formed in would don red paint when fighting. Red Skins were seen as a symbol of their strength and honor, and they don't find the term derogatory. In fact, when the first stirrings of "Let's Change The Name" began, the tribe this term commemorated were against it. It's an example of a movement with little basis in actual fact.
I frankly wouldn't care if every single Native American found the term inoffensive. As a white man, I find it derogatory. It was adopted by a viciously racist owner who could not bear to be around African-Americans. There's nothing "honorable" or "noble" about the name "Redskins," if it meant "strength and honor" Bennett Williams would not have adopted it. Sorry, but you are just misinformed here.
Oh, and I find Papa Johns repulsive. They'd have to pay me $25 to order this; a waste removal fee, if you will.
I once spoke with someone descended from the Chippewa tribe who was most adamant that it was a slur. But, you're right, I have no idea what was in the mind of the team owner, and you have the right to be offended by whatever you wish; hold fast to your opinion, fellow American.