The poll lets you choose between TW3 looks, it doesn't mention the old incarnations at all. Then you have to consider that:
A- People has complained about hair color and eyes since day 1
B- They even changed the "Sword of Destiny" trailer face, making Geralt almost unrecognizable and worse. And people complained about that.
So up until now CD Projekt has experimented with many faces. I hope that, at least the side view/profile stays like the "maybePs4butnotquite" screenshot and that they make the front shot coherent with the profile, which recalls TW2. It's the one who they have made better and, seeing that in the CGI Geralt IS EQUAL to his TW2 appearance, I just don't see why they should stick to another option when turning to gameplay. It's just like if in a movie the actor playing the main role is replaced by another without any plausible motivation. It's just useless and annoying.
Not useless as long as there is someone who appreciates it
The poll also has a "other" choice, which has a measly 4%, so your argument is invalid. If it had the choice to stick with the Witcher 2 face, I would have still chosen the same.
If you look at Witcher 1, the characters used to look very different, Triss looked twice her age in Witcher 2, Geralt is just barely recognizable if at all, and Vesemir is nothing like he is in Witcher 3. I don't remember anybody complaining about those.
Personally I do not like the Witcher 2 look for Geralt too much, I actually prefer both Witcher 1 and Witcher 3 in terms of looks of faces, as things are now
But that is a matter of taste
I won't say there aren't people who don't like it, but I will say that there are those who do
As for not being sure whether they will implement faces or haircuts and gear, I do not know for certain, but if there is a large quantity of people that are against the current faces as you say, I am sure they will give you the option
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And I would actually like the option to be able to choose the main actor in the movie I am about to watch if I am familiar with his/her previous works