Not to say I disagree with your assessment of Islam, just that your argument can be used against just about anyone.
Islam is a totalitarian ideology intent of world domination with the goal of worldwide islamic state that will deny an individual any control or choice over his life. It merely masquerades as a religion until it reaches critical mass, and then demands adherence to islamic law.
Mosques are dens of sedition where the actual overthrow of the prevailing order, way of life and the US government is actively preached.
It should not be allowed to hide behind the right of freedom of religion.
Should we have permitted him then to build hundreds of "Nazi Temples" across America in the 1930s?