At 01:15 into the video Dark Horse; a man is shown being burned, whilst wearing a pendant (also burned) forming the word 'Allah', which is the arabic word for God.
Such goes to show, that blasphemy is clearly conveyed in the video, since Katy Perry (who appears to be representing an opposition of God) engulfs the believer and the word God in flames.
1. If you have to cite timecode and circle the object in question (see above) to make people notice, then you're likely calling way more attention to it than necessary.
2. Have Rick Ross and the Maybach Music Group also started a peition since their medallion is also clearly present?
3. There are 1.6 billion Muslims around the world. 50,000 is less than .004% of them.