OP asked who contributed the most in good ways between Itachi and Obito, he didn't say anything about their bad actions don't 'count'. Since Obito almost ****ed the whole human race up by getting Kaguya back, did nothing but create despair for people, i don't see how he can win this.
Clearly you're retarded since you can't even read. You're also a hater, which makes you even worse.
Let me explain something for you. If the question that's been asked is specified with certain conditions, then your point of view, opinion or even facts which are excluded by these conditions, are irrelevant, and you don't count them. Simple as that, kid. I understand that it's hard to comprehend terms which are more complicated than "good" and "evil" for a child with IQ that of a chicken, but at least try it. I'm sure you'll be able to achieve it in time Lol
Lmao, so you can't reply anything constructive on topic, being stomped by facts and logic, and now crying over being negged for your own stupidity and failures Lol way to go, kiddo
I don't have to say anything more than what i already did. If the only good thing you've done was to stop something bad you created, when what you did still killed alot of people on the road, it isn't that good, bro. OPs condition doesn't make that fact not count.
What a hilarious child
you can't even understand the difference between analysis and synthesis, yet trying to argue. 
