Really? Then why do we see kiosks taking food orders in some restaurant chains instead of people? The strength of the correlation is a function of price. At some price for most kinds of manual labor there is a tipping point where substituting capital for labor makes sense. While $7.25/hr may not be a tipping point in most industries, perhaps $16/hr is.
What minimum wage workers make now or in the future has nothing to do with the push for automation. The push for automation is because of technological advances and not to due to the minimum wage. Labor is dirt cheap in the USA by historical measures.