Bigness is relevant, CL advocates still cite the size of its standard library as an advantage:

http://www.lispworks.com/products/myths_and_legends.html

The library is large and supplies several hundred highly flexible functions

How many do you get in a "batteries included" Python, Tcl or Perl? How many in Java or .NET? It may be that the CL ones are "better" but that's subjective...