The protection by Amida Buddha can reach only those who exclusively say His Name in faith

" The merit of protection by Amida Buddha is received in daily life. This is because one who has genuine belief in birth in the Pure Land holds no doubt. Amida Buddha casts eighty-four thousand rays of His light of compassion upon one who is resolute in the attainment of this goal. Amida Buddha shines this light continually on the Nembutsu practitioner in daily life and up to the final moment of that person's life. For this reason, it is called the 'Vow by which Amida Buddha never abandons the Nembutsu devotee."