Why is Shane Warne so harsh in his criticism of Australian players?

The leg-spinning great didn’t handle criticism well as a player but he doesn’t mind handing it out as a commentator.

source https://www.smh.com.au/sport/cricket/why-is-shane-warne-so-harsh-in-his-criticism-of-australian-players-20211206-p59f9u.html?ref=rss&utm_medium=rss&utm_source=rss_feed