There is no 'as far as possible' on the question of untouchability. If it is to go, it must go in its entirety from the temples as from everywhere else.
Hinduism is like the Ganga, pure and unsullied at its source but taking in its course the impurities in the way. Even like the Ganga it is beneficent in its total effect. It takes a provincial form in every province, but the inner substance is retained everywhere.
Constant development is the law of life, and a man who always tries to maintain his dogmas in order to appear consistent drives himself into a false position.