While that is likely true, the ROI as much faster with a 15/hr min wage. Ensuring that more and more companies automate at a faster rate, when we as a society have done nothing to address the problem this creates.

We (society) are increasing the minimum wage with out figuring out what to do with all the unemployable people that do not have the education, experience, or in some cases the talent to command a wage that high. The belief is that companies will just "eat" the added costs because they are simply greedy today and can "afford" to pay more, these types of robots prove this will not be the result and what will be the result is massive unemployment