Earlier quoted context omitted.
There is an enormous legal difference between shinkwrap licenses that limit your terms, and a license that grants you additional permissions . Your typical "EULA" is the former type. Copyleft licenses like the GNU GPL are the latter type. A typical "EULA" attempts to reduce your rights, without any further consideration from you (you'll have already paid for it, etc). If you disagree, the authors like to claim that y…
What are you talking about? There is no such distinction. The GPL derives its enforcability from the same principle EULA's do.
No. A user is not required to agree with GNU GPL license terms to merely install and use some software licensed under GNU GPL. GPL comes into scene only when some (re)distribution of the code/binary happens.
So, GNU GPL has not much to do with End User License Agreement because the end user never have to agree with GNU GPL unless he/she is going to add one or more link to the chain of users.