There is also value in having some consistency and standardization among the systems that we have in use for chess events. An outside observer looking at international chess and the myriad tournament forms, time controls, and championship systems we currently use might easily conclude it is all chaos. The variety of tiebreak systems one sees in these events, and total lack of guidelines in FIDE or USCF rules, serves only to increase this feeling of anarchy. Having guidelines to provide more consistency would help reduce that appearance to the public and would be to the advantage of the sport of chess.
Read more in Playoff Theory.