Personally anything leaving a long lasting smell on stuff means I reckon it just puts a loads of chemicals on it -
and probably not natural ones either!
As I had problems with rashes many years ago I try to avoid unnecessary stuff like that so I avoid conditioner
Unfortunately my wife likes them and always wants it used
so some of our washing uses it - and some doesn't - personally I can;t see the difference when I get a shirt out of the wardrobe - which makes it sound like pure marketing to me!