It's a currency. Not a product or a company. Therefore, we should just accept it the way it is. A fancier logo wouldn't help with the adoption in any way - in fact, it may actually hurt it the same way Bitcoin Cash's introduction made some very confused about which project is the legit one.
Looking at the poll results then it do shows that people does still prefer the original ones.It doesn't really need to be modified, converted or altered
because it is good on what it is currently.
People had known already on whats the symbol and if there would be changes then that would really just add up into confusion.