This is a very difficult subject. One mans terrorist is another mans freedom fighters.
The Taliban were seen as freedom fighters by the west during the soviet ocupation of Afghanistan but now they are seen as one of the worst terrorist groups there is.
Plus, what we see of public figures is never the whole story. it is always coloured by the bias of whoever is reporting it. Winnie Mandella was a cult figure the world over as she battled for her imprisoned husband in the apartheid years of South Africas history, and look how she fell from grace,
I think it is good, when we see or hear of someones admirable actions, to stand back and say yes they deserve credit for that. But perhaps we should balance that with the acknowledgement that we dont know enough about them to warrent placing them on too big a pedastle.