It isn't that different, the four freedoms still apply. The difference is that the content isn't a functional work, [...]
Have you read the FDL? The preamble starts:
Sorry for being unclear, I meant that a manual isn't in its whole a functional work, and can contain non-functional parts, like an dedication.
Note that it claims the FDL purpose is for functional work.
... with non-functional parts.
Because such restrictions make sense, you don't need the right to modify my thoughts about why I wrote the book, or to whom I dedicated the book. [...]
Someone modifying your essay should not modify your thoughts! Please consult a mental health expert if you find it does!
Please consult a English teacher.
[... more flame bait ...]
Are you really incapable of having a leavel headed discussion without resorting to these kind of silly arguments?