For more, see: http://www.nytimes.com/2014/11/15/business/some-retailers-are-promoting-their-decision-to-remain-closed-on-thanksgiving.html?_r=0
To join an online organization promoting staying away from businesses on Thanksgiving day, see: https://www.facebook.com/boycottblackthursday
To sign an online petition from change.org to Target to reverse their decision and remain closed on Thanksgiving day, see: https://www.change.org/p/target-stay-closed-on-thanksgiving-2
We do have a voice and the power of the purse strings and wallets. We may not make changes on the macro scale (or not easily), but each of us can choose how we will approach the holiday season for ourselves.
As for me, no discounts are worth a loss of scruples in how we treat others--not now, not ever.