Allah's Messenger (ﷺ) in his fatal illness said, "Allah cursed the Jews and the Christians, for they built theplaces of worship at the graves of their prophets." And if that had not been the case, then the Prophet'sgrave would have been made prominent before the people. So (the Prophet (ﷺ) ) was afraid, or the peoplewere afraid that his grave might be taken as a place for worship.