My point is that I developed pack riding skills before I put the bars on the bike. I am more than capable of handling myself in a close paceline. But....you wouldn't know that unless you knew me. The point is that you shouldn't assume that the person with aerobars is not able to ride safely in a group until you know they can't. Don't just lump us all into one group.
And, for the record, the only time you should be on the aerobars in a paceline is when you have the pull. Normal pack / club riding is an ongoing case by case decision. But there shouldn't be a blanket rule on no aerobars in group rides.