I do agree with you Maw. TBH, I don't really know why I bother putting salt in mine because our water is very soft. But the light comes on telling me salt is needed, so I just do as I'm told 
The thing I have the most trouble with is the filter on the washing machine. The access is not only right at the bottom of the machine, but it is angled inwards towards the floor, and is virtually impossible for someone with arthritic knees and hands to get to, never mind open. Also, when I do manage to get the cover off, because it is flush with the floor, any residual water just pours over the floor because there is, quite literally, no space to put a vessel underneath to catch it 