How does mark twain use irony in this excerpt

to contrast the concern the boys should have felt with the satisfaction they really felt ... It can be seen the boys ere very happy when the cubs boat blew up and when the cub appeared in church and was treated as a hero.

to add the same, the concerned boys should have felt the happiness they truly felt, it can be realized that the little boys when the baby cubs boat blew up completley and as son as the cubs appeared in the church, they were treated like hero's