Well eGeezer, I think what you have just done is analogous to walking into a kids play park and telling all the watching parents that their kids are all ugly and pointless
Seriously though, I doubt you'll really get flamed for presenting a well reasoned argument (and quite possibly one that holds up for many, if not the majority, of people).
I can only speak for myself, but I have and enjoy having an e-reader for the following reasons (not necessarily in order of importance):
1. I like gadgets

2. I travel a lot and like the ability to be able to take 200 or so books with me when I do (no, I'm not going to read them all, but it's good to have the choice on the move)
3. The finding (and converting) of public domain books has become almost a hobby in its own right
I also take your point about libraries, but it's not always convenient for me to go to a library.
I'm sure other people will chip in, but at the end of the day it's a personal decision - if you feel that it's not worth your while having an e-reader, I don't see how anybody could argue with your decision.