It's kinda confusing how the tweet was copied, here is it again:
I can do.
RT@MizrahiMOMO@NintendoAmerica Even with all this demand Xenosaga prolly won't continue, I think even Harada can't do anything :/
— Katsuhiro Harada (@Harada_TEKKEN) September 3, 2015
Regarding the HD collection: It's probably already decided because it started a year ago.