Complex sentence: The 2010 remodelings of their smaller stores shifted has emphasis away from non-grocery products towards carrying grocery items carried by their supercenters, has created a small backlash amongst some loyal customers.
Split into simpler sentences: The 2010 remodelings of their smaller stores shifted their emphasis away from non-grocery products towards carrying grocery items carried by their supercenters. This has created a small backlash amongst some loyal customers.