Line ABC and line CDE have one point in common. Does that make them the same line?
If I promote republican candidates for president, does that mean that the Republican party is a Christian initiative? (If I promote ID as a theory, does that mean that ID is a Christian initiative?)
How is it an establishment of atheism....because of the same logic: Atheists advocate evolution; therefore, Evolution is an atheistic endeavor.
Thus far, however, all ID movements are decidedly Christian in origin . ..
This is not true and this is very much part of the problem. Once Christian supporters of an idea are found, that becomes the legal basis of exclusion. Science is regularly intermingled with non-scientific nonsense including religious views and they are not attacked by science purists-- at least not in the highly dramatic way that creationist and ID proponents.
At my own state university, courses promoting the integration of Buddhism and biology are applauded and encouraged without separation accusations.