The Kiwi UFC champion has urged the NZ Prime Minister to make immediate change, after the death of close friend Fau Vake.
'The Last Stylebender' was all-but perfect in disposing of Marvin Vettori at UFC 263.
Riddell used his walkout song and his performance to pay tribute to his former teammate.
All the action from Arizona as 'The Last Stylebender' looks to defend his UFC middleweight title.
The Italian holds the weight advantage over Adesanya before Sunday's bout in Arizona.
A war of words escalated, as 'The Last Stylebender' prepares to defend his middleweight crown.
Paulo Costa lost to the Kiwi last September, but is jealous of the YouTube sensation's $20m windfall against Floyd Mayweather.
MMA fighter Fau Vake died after seven days in hospital following an alleged unprovoked assault.
Vake spent seven days in hospital after an alleged unprovoked assault.