They are examples of non-legislative functions of congress.
The power of the Government is limited in that Government cannot do everything it desires. This is so because it was elected by people, and assuming that the politicians in the goverment will want to be re-elected, they have to do what the people want, and not whatever they want: they have limits on their actions.
In my opinion no it is not necessary to do people there doing a good job. But it does make the other person feel better . But you cannot give a person to much glory for then they will only strive to hear good feed back and not be use to hearing constructive negative comments .
An important function of the house majority leader is to be like an agent or spokesperson for the majority party in the House of Representatives.
