Why is everyone trying to ruin heroes???

I am sorry if this annoys anyone but its been on my mind a while and needed to say it. Why is everyone complaining about heroes? Firstly they are all saying that they loved season 1 and it has gone downhill since, well that is your opinion but I don't think it has, it is still awesome telly. All i think is that it has changed which a ipakita needs to do else it would be boring. I mean three seasons all like season 1 would be monotonous and boring and then you would be complaining about that. Also people are blaming the writers and cast for the ipakita but to...