I would have to say your experience is fairly typical of AA.
There are many, many people in the AA system who work hard every day to provide first rate customer service .... and then there are those whose indifference demolishes all that effort in no time at all. It appears to be a fact of life that in AA's union-based, seniority-based staffing sytem, dealing with the non-performers simply doesn't happen. In any other business, they would have been fired long ago.
I guess this is a YMMV situation as this experience is not at all "typical" of my flights. I've flown 80,000+ miles this year (all F/J incl. 4 FCO flights) and I have encountered great service on the majority of occasions, and a few flights where the FAs were not esp. "chatty" but certainly not bad.