Do you guys think Samsung will ever ditch touchwiz and just go with stock android instead of putting their undesirable fingerprint on it.
Won't happen. I'm fairly certain that, if anything, they are moving in the opposite direction. Samsung wants to desensitize users to how Android looks and feels... that way when they pull the rug out and swap in Tizen, (they hope) no one will notice.
The problem is that they are starting to choke under their own weight. Their profits are going into the tank and they are losing the battle in both the top end and the low end... I've read a few articles that estimate that by the end of 2015, they will lose the dominant position as far as Android OEMs are concerned. And I'm pretty sure that internally, they'll try to put blame on Google and their OS and pressure the powers that be to drop the platform and go Tizen...
Of course, if that happens, Samsung will cease to be relevant in the mobile market.