Those moves generally happen when a team is mathematically eliminated.  Up until then, management makes decisions to try to put the best chance of winning on the field, not to evaluate the future.

Indiana was part of the union and contributed to the war effort in preventing the south from succeeding

I agree that the quality of the receiving corps is poor. But, for the recent Colts, it's on par.   Aside from T.Y. Luck had success with guys like Whalen, Brazil, Dorsett, Moncrief, Hey-Bay, and last year'r crew, which included Ryan Grant, Chester Rogers, Pascal, Marcus Johnson, and Fountain.

Really? 80% of Indiana residents originated in KY, TN and AL. 

Indiana is a yankee state!