"Why even call this part of the site discussion? "
We are free to discuss, we are also free to downvote or upvote others depending on the quality of said discussion. In this case, you seem to not be addressing any of the responses you've gotten regarding the flaws in your argument, but just chose to complain about downvotes.
Omega-as-infallible-entity isn't required for Newcomb-style problems. If you're to argue that you don't believe that predicting people's behaviour with even slightly-above-random-chance is theoretically possible, then try to make that argument - but you'll fail. Perfect predictive accuracy may be physically impossible, given quantum uncertainty, but thankfully it's not required.
At the time I added the edit, I had two comments and 6 net downvotes. I had replied to the two comments. It is around 25 hours later now. For me, 25 hour gaps in my responses to lesswrong will be typical, I'm not sure a community which can't work with that is even close to optimal. So here I am commenting on comments.
Of course you're free to downvote and I'm free to edit. Of course we are both free as is everyone else, to speculate whether the results are what we would want, or note. Free modulo determinism, that is.
As far as I know, this is the ...
EDIT: I see by the karma bombing we can't even ask. Why even call this part of the site "discussion?"
Some of the classic questions about an omnipotent god include