Sometimes the mkt/media also creates such hypes or animosity.
As we all know, both Ind and bangladesh are big mkts for cricket.
The mkt, want more of India vs bangla series, so they might have sparked off some fire between d two.
First, from Indian side ( it was star's ad.. bacche ab bacche nahin rahe), and it was reciprocated by bangla media.
May be both sides media are partners in crime, in igniting d fire