The impact is more than warehouse conditions.
see this, for example: <a href="http:&#x2F;&#x2F;blogs.reuters.com&#x2F;great-debate&#x2F;2015&#x2F;06&#x2F;17&#x2F;with-6000-new-warehouse-jobs-what-is-amazon-really-delivering&#x2F;" rel="nofollow">http:&#x2F;&#x2F;blogs.reuters.com&#x2F;great-debate&#x2F;2015&#x2F;06&#x2F;17&#x2F;with-6000-n...</a>