Shareholder is quite right; but also the higher brands like Renaissance or ArabellaSheraton in Munich or Davos use the mounted squeeze bottles of soap and shampoo too (so does Renaissance in some new opened hotels too). If I can, I collect the mini shampoos etc for use during sport etc., but it does not matter, if I have a mounted squeeze bottle, as I bring the most time my own shampoo with me.
My bathtube in Cologne was a little bit to short to take a bath .....