Why was the location of Mekkah ideal for the spread of ideas?

Mecca was a place of pilgrimage since Abraham built the Ka'ba. ... Allah wanted to remove idols from Ka'ba, as it's a sacred place. Jews gathered in Medina with a hope that a prophet will rise there, who will return Jerusalem to them. And Christians were there too.

the idealization of the rural landscape ; admiration for the beauty of nature ; focus on an individual's inner concerns

uncle sam would be tossing and turning in his grave : *)