I think its all fair to like or dislike the characters modelling/redesign on aesthetic level. I don't think that has any bearing on whether a person played or enjoyed the last game. I think its perhaps a little short-sided and bit of an overreaction to take that and extrapolate the rest of the character(s), narrative, and/or gameplay based off that.
When I read the "Tony Hawk" statement, I see a developer trying to illustrate Cole's physical condition, not particularly labeling him as a skateboarder, but as an athletic person. That fits in line with his bike messenger and parkour background in the first game. When I read lines like "appealing, less grump" statement, I see a developer trying to convey how his team is hoping to expand Cole's personality and emotional range. I hear that and think perhaps they felt they were painting him into a corner with the somewhat pessimistic (lack of a better word) characteristics of their first crack at Cole. Not to say he won't have that same disposition to some degree, but Cole hardly seemed as though he would have a friend like Zeke, a girlfriend like Trish, have a career as a bike messenger, or have an interest in parkour at anytime in his life. I say that based off of old Cole's model and voice work; however, in the context of the Infamous 1 I accepted that cause SP said it was so.
And perhaps that may be where the point of contention lies...I feel as though we saw their first crack at Cole in Infamous 1. Perhaps the melded Cole from aspects that they like from various superheroes (gritty voice, stern face, etc) but when it all came together they felt they were a little off from their intended goal. I think that perhaps we're jumping the gun as to "how" much they've changed Cole. Clearly, its fair to say you don't like the visuals, that its jarring for you, or even that the statements leave you concerned...but it seems one would be jumping the gun to say they've completely abandoned the character at this point. Visually, yes. Voice-wise, ditto. Character-wise..not yet determined.