Mozilla Firefox EULA and Redistribution

http://www.mozilla.org/foundation/EULA/firefox-en.html

> 1. LICENSE GRANT. The Mozilla Foundation grants you a non-exclusive license
> to use the executable code version of the Product. This Agreement will also
> govern any software upgrades provided by Mozilla that replace and/or
> supplement the original Product, unless such upgrades are accompanied by a
> separate license, in which case the terms of that license will govern.

Why doesn't the license explicitly allow redistribution of the unmodified binary
installation package? Don't we want to encourage this? (You're not going to get
me to compile a package from source just so I can give it to my friend.)

~fantasai