So, You'd Like to Tour?

I have noted these tours previously.

Here's another one, of the Green Olive Tours:

Bethlehem is a Palestinian city in the central West Bank...

According to Christian tradition, Bethlehem is the birthplace of Jesus of Nazareth and the town is inhabited by one of the oldest Christian communities in the world, though the size of the community has shrunk in recent years due to emigration. According to Biblical tradition, the city is also believed to be the birthplace of David.

Odd.

The Christian tradition also holds the city to be David's birthplace.  So why the difference?

And why the element of doubt in this: "also believed" whereas in the Christian tradition Bethlehem "is"?

After all, here is from their statement of principles:

Green Olive Tours is a social enterprise tour agency providing tours that are informative and analytical, covering the history, culture, and political geography of Palestine (West Bank) and Israel. The tours provide benefit to the indigenous population through the hiring and training of tour guides, overnight stays with families & small guest houses, and encouraging visitors to purchase local crafts.
The wide range of itineraries include interaction with Palestinians and Israelis, and visit areas that embody the history and current status of the conflict between Israelis and Palestinians in the West Bank and Jerusalem, and between Israel's Jewish, Palestinian-Arab, and Bedouin citizens. The complex mosaic of religions, nationalities, and political viewpoints in the Holy Land are explored in depth.

Is this matter so complex that it needs to be biased?

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