Redhill consulting points to an interesting reaction from the Java-ites:

RoR is quickly becoming the Godwin's Law of Java language related discussions: "As an online Java discussion grows longer, the probability of a comparison involving Ruby or RoR approaches 1 (i.e. certainty)." -- Marc Stock

There's this too, from the same place (comparing to Godwin's law):

Any programming language and Smalltalk

That's it, define contrary opinions out of existence :)