...UC officials were caught on the defensive. They emphasize that the traditional seal, with its "Let There Be Light" motto, a drawing of an open book and the 1868 date of UC's founding, is not being abandoned and still will be used on such things as diplomas and official letterhead. But they say that the 1910 seal is so ornate that it does not reproduce well for many Internet uses...
Full article at http://www.latimes.com/news/local/la-me-uc-logo-20121211,0,7650237.story
Above is a large web version of the old logo. Let's shrink it down a bit and determine if we can still see it.
So it is definitely true that if you shrink the old logo down enough, it is hard to see! We always knew there was a rationale. The web is just too small for our old logo!