And I note you have no response to his config files being non-trivial to change. I'll consider my point delivered.
I have a response!
GregTech config files are trivial to change. I like vim, but notepad works.[DOUBLEPOST=1362575348][/DOUBLEPOST]
--- Actually I'm going to edit this now that I've re-read the original post by Machinemuse.
An end user absolutely has the right to edit config files. Or bytecode files. Or random poetry included in the mod zip.
What they don't have is a right to redistribute, which includes the config file.