You should understand we have heard "It's not even close" in a thousand polls against our young players and they keep proving people wrong. Marner wasn't even close to Pastrnak's tier last year, this year...well, not all development is linear.
Nylander definitely has shown he has that Point tier talent, but he is not in the same league as Point in terms of effort and overcoming diversity on the ice. Point is the little engine that could, he keep proving people wrong at every level. I can see an argument that in 5 years, we may look back and this might be close, but right now it's obviously Point.
Can't blame fans for voting with bias, it's natural.