One has only to examine the motives of those who make their income from publishing books versus those who earn their income from doing science to get a hint of why
global warming deniers tend to focus on only the findings that support their point of view.
One could say
Denier tend to be satisfied to say CO2 has little or no effect upon
global temperature, whereas Believers are
tend to impatient for their world which might become 10 C
warmer.