The source is the news people.
It's because people think Buddhists are all peaceful and Muslims are all violent. People refuse to accept that ALL groups of people have good and bad.
Over 500 Muslim villages have been incinerated hither-to. Thousands have been exterminated. The persecution of the Burmese Muslims at the hands of the Buddhist mobs is at its full swing. Yet all the human rights organizations have maintained a criminal silence up till now. more than 20,000 Muslims have been killed, tortured and displaced by the extremist Buddhists in Burma's Rakhine province, the worst sectarian killing in this part of the world for many years. The violence had killed 29 people in a day and displaced more than 30,000, said Htein Lin, Secretary of the Ministry for Border Affairs.
Around 2,500 houses have been burnt down, Reuters reported on June 14. Meanwhile, The Telegraph reported on June 21that more than 80 have been killed in Burma