There are some people whose hearts are at peace because of their being Momins and Muslims but who might sometimes be forced by their enemies to say something against Islam. Allah (SWT) is not angry with such people, He is angry with those people who were earlier believers but later became infidels to the extent that their hearts too were at peace with infidelity and their conversion was due to their love of the life of this world more than the hereafter. Allah (SWT) seals the receptive faculties of such infidels, therefore they are not guided, they are heedless and will be punished.