"To firstly get stripped of his captaincy, then to be dropped from the Sunrisers Hyderabad team, not being allowed to go to the ground -- if you want to wreck someone's confidence for a few games, that's the best way to do it," said Lee.
McCullum said Iyer's has been "incredible story" after the lanky southpaw from Indore amassed 370 runs from 10 games in IPL 2021.
The seam bowling all-rounder, who turned 30 on Saturday, had played a big role in CSK's triumph with figures of 3/38 in the final.
Chennai Super Kings clinched the IPL title for a fourth time with a 27-run win over Kolkata Knight Riders.
Kolkata failed to capitalise on a great start in reply to Chennai's 192/3 as the MD Dhoni-led side powered to a fourth IPL title in Dubai.
The cryptic post also built speculation around which franchise the Australian opener would prefer if given a choice in the upcoming season.
From a comfortable position of 96/1, KKR dragged themselves into a difficult situation in the end. They will play CSK in the final on Friday.
“High-level sport is about getting over the line, winning trophies, particularly when you're at the standard of what Virat Kohli is at," Vaughan was quoted as saying by Cricbuzz.
Despite stepping down as RCB captain, Kohli reiterated that he will continue playing for the franchise as long as he plays in the IPL.
Kohli's nine-year stint as skipper of the RCB ended with a four-wicket loss to Kolkata Knight Riders in the Eliminator of the 2021 Indian Premier League at Sharjah on Monday.