I think a lot of people that may do the bashing have access to many great parks each season, so they're used to parks that have the $$$ to build spectacular, one-of-a-kind rides. Smaller parks need to build up first, perhaps having to get coasters that may be clones, used, or older, less-refined designs. Not that they're bad, I love 'em all! But in some cases I can see where people are coming from.
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Po!nt of View: A different look at Roller Coasters.
http://www.crosswinds.net/~justmayntz/thrills/index.html