Why do people act surprised if Muslims pray 5 times daily?

I was told that Muslims pray 5 times everyday. But, usually you supposed to pray around 3 times daily if your a Christian. For breakfast, lunch, and dinner. You also can pray for 2 more things. Totaling it up to 5 times a day. It shouldn’t matter what religion you are.
Why do people act surprised if Muslims pray 5 times daily?
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