What exactly are you trying to achieve with this survey? It isn't a good measure of the opinions of people who are playing the EA, because it has a very clear selection bias. Only the people who visit the feedback forum will even see it to begin with, which is a very small subset of the total number of people who are playing the EA. It is likely that there is also a non response bias here, as unless everyone who looked at this thread opened it 10 times, there is roughly 10 times as many views of the thread as responses.
Only Larian could made a better survey, but they don't wanna, so lets use what we have.
Except imo, the survey is completely unrepresentative of the opinions of the people who are playing the EA. The only thing we can claim with absolute certainty, is that it is representative of the people who both read the feedback forums and have enough interest to participate in these discussions.