Bad luck? Come on man, at least try.

Bad coaching? Who do you think is walking through that door? Bronco is a very, very good coach and couldn't do anything with Indy.

Also, because you apparently forgot about success in the 2000's here is a list of 10 wins seasons:

2001, 2006, 2007, 2008, 2009.

Here is a list of top 25 finishes: 

2001, 2006, 2007, 2008, 2009.

BYU as Indy has not finished in the AP Top 25, ever. You must be a special kind of blind to even compare the success of Indy to the 2000's in BYU football.