What are some criticisms of the seniority rule in Congress?

What are some criticisms of the seniority rule in Congress?
A) It ignores ability it also means that a committee head often comes from a state or district in which one party regular he wins the seat
B) it provides a predictable schedule governing the retirement of members in the house and senate and the Vacating of their seats
C) it controls the selection of the floor leader for each party and both chambers
D) It dictates the order in which members of each chamber will be recognized by the presiding officer to participate in debates on legislation