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Numerous publications have stated that JWST is "100 times more powerful than Hubble". What does that mean? JWST has a surface area about 6.5 times that of Hubble. Is there any objective basis to the "100 times", or is that just a quasi-meaningless phrase, intended to convey JWST's capabilities? And, why is the JWST so frequently compared to Hubble, rather than to the Herschel Space Observatory? JWST and Herschel are/were both infrared telescopes, operating at Sun-Earth L2, while Hubble is mainly a visible light telescope, in LEO. Thanks