You can buy them; you just can’t get them for free at the grocery store. Of course, this only impacts the poor folks - most rich liberals already use germ laden re-usables, and the middle class can drive to Richardson, Garland, or Plano.
People can buy their own “eco-friendly” grocery bags by the box... 1,000 bags for $38.34
https://www.google.com/?gws_rd=ssl#q=box+of+plastic+grocery+bags&tbm=shop&spd=3719968437891114493
or even cheaper