Isn't it the same for every opinion poll ever, though? Even with a small sample(1100 according to the article at BI), does it really matter if it's 60% or 40%

Isn't it the same for every opinion poll ever, though? Even with a small sample(1100 according to the article at BI), does it really matter if it's 60% or 40% instead of 53%, to show that people would be worried of flying on this plane?