Without explaining how he knows this, journalist/barrister/banker Malcolm Turnbull claims that warmist scientists are the "best" while realists scientists are "much less reliable"

Impassioned Turnbull defends climate change science - ABC News (Australian Broadcasting Corporation)

"Normally, in our consideration of scientific issues, we rely on expert advice [and] agencies like CSIRO or the Australian Academy of Science, are listened to with respect.

"Yet on this issue there appears to be a licence to reject our best scientists both here and abroad and rely instead on much less reliable views.

Malcolm Turnbull: Information from Answers.com

Before entering parliamentary politics he practised as a journalist, barrister, company legal counsel, and merchant banker