In mitigation .. the roll back issue was dealt with several years ago ... the rest may be more or less accurate : a friend in atc once told me the last thing they wanted to see on a busy day was a heavily loaded A340 or a 146 .. BUT it is very very good at descending .. a reason that let us watch an A320 on the same routing sail gracefully overhead in the cruise but be deplaning the first busload as he taxied to stand .. not perfect, but well engineered and overall ..safe.. just a shame about those engines
