Sure, everything is a risk, but Cedar Point / Cedar Fair really seems to look at things VERY closely before making those decisions. I agree that Millenium Force was a big risk: after all, CP already has Magnum, a steel coaster renowned for height and speed. MF has a lot of differences, true, and is a great ride in itself, but it could have caused some conflict because the coasters are (in theory) similar.
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PO!NT OF VIEW - A Different Look at Roller Coasters
http://www.crosswinds.net/~justmayntz/thrills/