I'll be quite honest, the majority of the people that DDoS are just script kiddies trying to get a kick out of pissing people off.
I bet you that they just DDoSed EAs servers for the hell of it.
And yes, I think that the majority of people don't care about EA and their problems, and will probably keep buying and playing their games.
That's just my view, judging by what the majority of people who I know who are games think about EA (they actually like EA...).