When talking to old timers here they say that pug and citroen had the worst parts system they ever saw - almost everything was ordered from France and it took quite a while to get in USA (olden times) and then the local mechanics were accustomed to oldschool horse and cart simple heavy american iron. A DS with its hydraulic lines, backwards engine etc etc looked like alien eggs to them and hence didnt touch them.
The cars themselves were good.