I sent Marc Guggenheim (exec producer of Arrow) a tweet saying I thought Laurel's anti-hood turn seemed weakly reasoned on the show, and he responded by saying "make sure to tune into next weeks episode". So perhaps we get some further explanation of what exactly is going on in her head next week?

Exactly. Her goofy "hate the Hood" turn just seems unjustified, ridiculous, and completely contrary to the character established in S1.

The best part was when Felicity pulled out the Surface tablet at her desk - and put it together with the keyboard and everything - instead of using the DESKTOP COMPUTER sitting right there.

The whole "Laurel hates the hood" turn feels really dumb and narratively unearned. She hates him because he couldn't specifically save one person she valued while half the city was collapsing? Did she notice the chunk of rebar his torso was impaled on? She hates him because he left the scene instead of magically…

Except that Merlyn was revealed as the mastermind of the plot on live television by Ollie's mom, and it stands to reason that he had the "trigger" for the devices - therefore it would be considered a priority to find and stop him. And why, after all of the things the vigilante had done to selflessly better the city…