This poll reminds me from the "early" days of WoW. Whenever a new MMORPG was coming out, there were always a whole bunch of peeps saying "This game will be the WoW killer" and then they were off to play it with their lil chubby's on and then they came back a month later.
No, TW will not take FH2's players because there are bound to be people who prefer FH2 over it, that is if FH2 is even around by the time TW gets released. It's hard to take from something that is no more.