Is the hate justified?

I do understand how shit of a movie kabza was and how the reputation of upendera was down in the mud. But just because of that one flop film is it justified to hate on a teaser of a movie which isn't even that bad and looks decent ?

I do understand how shit of a movie kabza was and how the reputation of upendera was down in the mud. But just because of that one flop film is it justified to hate on a teaser of a movie which isn't even that bad and looks decent ?