Great post, Rifat, and perfectly spot on.
But you will see that neither the Bangladesh team management or players nor the fans will understand the fact that for the test and ODI series win we owe much to the stupidity of West Indies as well. We tried to be equally competitive in that; but they beat us!
The same thing happened during the 2007 world cup. Two or three decent games eclipsed how miserably we played. Here this series win will eclipse all our faults.
It doesn't matter what the format of the game is: you still have to apply common sense, you still have to connect the bat with the ball, cautiouly attack the new ball while rotating the strike, you still have to keep wickets intact so that you can maximize your chances to post a decent total later on, you still have to get settled.
That summarizes what we need to understand.