They can but they shouldn't. I still believe that even if the current down vote button is used as a "I Disagree" button not all do so and use it as it is supposed to be used.
I think in the future more people who would have commented simply use the "I Disagree" button. Hopefully that will not happen, we will see.
People can do this now. Yet discussions are still happening so I don't think a "I Disagree" option will change that.
They can but they shouldn't. I still believe that even if the current down vote button is used as a "I Disagree" button not all do so and use it as it is supposed to be used. I think in the future more people who would have commented simply use the "I Disagree" button. Hopefully that will not happen, we will see.