Since when have strippers, Ronald McDonald, souvenir hawkers, and OT betters advocated for establishing an Islamic sharia caliphate in the United States?

For one thing, Christians do not advocate this.

The Gospel of John, chapter 8.

Laws are made for the government of actions, and while they cannot interfere with mere religious belief and opinions, they may with practices. Suppose one believed that human sacrifices were a necessary part of religious worship, would it be seriously contended that the civil government under which he lived could not interfere to prevent a sacrifice? Or if a wife religiously believed it was her duty to burn herself upon the funeral pile of her dead husband, would it be beyond the power of the civil government to prevent her carrying her belief into practice?

So here, as a law of the organization of society under the exclusive dominion of the United States, it is provided that plural marriages shall not be allowed. Can a man excuse his practices to the contrary because of his religious belief? [98 U.S. 145, 167] To permit this would be to make the professed doctrines of religious belief superior to the law of the land, and in effect to permit every citizen to become a law unto himself. Government could exist only in name under such circumstances.

I guess you advocate getting rid of the Mormons as well then

Besides bitching about the mosque, what would be a real solution that could stop a church or mosque from being built? Can you legally say a mosque cannot be built when there are already churches (St. Paul's right across the street) and a mosque a couple of blocks away?