Board Thread:The Flash discussions/@comment-5441128-20170524174933/@comment-26537965-20170730111456

Stryzzar wrote: They hate her for
 * 1) Having too much focus to the point she overshadows the main character Oliver.
 * 2) She's a hypocrite who always complains about Oliver keeping secrets yet she's fine with keeping secrets herself.
 * 3) Olicity and the endless relationship drama that comes with it (lose trust, break up, win back trust, stop seeing each other)
 * 4) Green Arrow and Black Canary is the canon couple, not Olicity
 * 5) Her increased focus means she keeps saving the day and Oliver becomes less badass.

There is no such thing as "canon couple". The show does not have to be exactly like the comics.