Because!
Yea, rules are not Laws neither are they commandments. For that reason rules can be changed.
Rules Changed Up was created in 2011.
it
No.
YES! In recent years the rules have been changed to make it harder for the skaters to score a medal.
Tennis, cricket, Aussie rules, rugby, golf, squash, fishing, swimming
nothing
the rules
Mark Jackson
polyphony began and musical rules changed (apex)
Hockey's rules were created by it's creator, but over time, we changed to rules to our liking.