You have to understand that for more you accept other shitcoins, less powerful will be Bitcoin.
By accepting a shitcoin, you are literally create more demand of that shitcoin. That means you make it ...
People will create other ways to get paid it will all eventually be backed by bitcoin, I dont believe you only use bitcoin so to look down on People who accept other forms of money is poor and small minded, if you are a true bitcoiner you will realise that in the end it takes all and not fear about the speed in which this happens.