"Djokovic is prominent and wealthy. There was always a chance that he would appeal the visa cancellation and expose the interview process. So many people in a similar uncomfortable position do not have the luxury of hiring a team of lawyers to dissect those procedural ills. It is an important insight and case study into how the immigration authorities are for regular people and how helpless most people are when at the mercy of the border force."
"Djokovic is prominent and wealthy. There was always a chance that he would appeal the visa cancellation and expose the interview process. So many people in a similar uncomfortable position do not have the luxury of hiring a team of lawyers to dissect those procedural ills. It is an important insight and case study into how the immigration authorities are for regular people and how helpless most people are when at the mercy of the border force."
from
https://www.theguardian.com/sport/2022/jan/10/day-of-djokovic-mayhem-creates-more-questions-than-answers