Vegetarians And Vegans, why are these users called 'trolls' and others called 'not trolls'?

not really trolls but are called them:
tea bag
getdunkedon
dion
tbk
ginger
Dion J
Simon
Tony B
Mrs. Frankenstein
Creation Detective
Daisy

not often called trolls but are:
Andy
Proud Vegan (not sure)
Jessica
Moderator
Star of darkness
robert

real trolls:
Nokia
learner
thomas
Daniel (remember him?)

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