Novak Djokovic, who is Serbian, was deported from Australia in the leadup to the Grand Slam in January after he declined to be vaccinated.
With Canada, Australia extending restrictions, admission seekers are deferring their studies or looking elsewhere.
The incident has been met with astonishment in Australia, with the protagonists -- Smith, his vice captain David Warner and opening batsman Cameron Bancroft -- lambasted in the media under headlines almost universally trumpeting the word "Shame".
Adani intends to ship most of the coal from the mine to India.
In the space of two days, top batsman Smith has gone from Australia's cricketing golden boy to national pariah and it looks likely that he has played his last Test as captain.