Has the use of red and yellow cards in rugby got out of control?

England Coach Eddie Jones says rugby's use of red and yellow cards is "out of control" and that referees will be the most important player when the top teams meet at next year's World Cup.
The All Blacks want answers after Ardie Savea was confined to the sidelines following a series of first half cards in the Dunedin defeat.
Confusion reigned during a chaotic sequence of events that involved the All Blacks losing Leicester Fainga'anuku and Ofa Tuungafasi to yellow cards and replacement prop Angus Ta'avao to a red card.
Forced to inject two replacement front rowers, the All Blacks substituted loose forwards Dalton Papalii and Ardie Savea at different times. That left the All Blacks with 12 men at one stage - as a result of going to uncontested scrums while two loosehead props, George Bower and Aidan Ross, packed down.
Following their 23-12 defeat that squared the three-test series, the All Blacks have emailed World Rugby for an explanation.
Former All Black Josh Kronfeld joined Simon Barnett and Tyler Adams (in for James Daniels) on the show.
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