In fact, a french website published an app called "Defiscalisator" (http://www.finansemble.fr/defiscalisator). It aims to optimize things for you in order to pay less taxes.
This is so true, and goes the same for every job. I saw expert developers push stuff right into master and deploy it without testing because "they know what they do and you have to be productive".
Yes it makes it sound horrible. 0.33% is nothing when speaking of over expenses.
Plus, getting larger train was planned as French Government passed a law for accessibility for the disabled to be applied before 2015 : the distance between the border of the station and the train must not be more than 1cm (horizontally and vertically).