Gambling advertising had tripled in the past 10 years and was now deeply embedded across the sports sector, she said.

“People who are experiencing problems with gambling find it impossible to escape ads ... There are ads everywhere you look,” she said. “With ads still appearing on TV, on radio, in arenas and on jerseys, gambling will remain embedded in sport.

“The government has an opportunity to lead and leave a legacy, by making ads for online gambling history, like we did with tobacco decades ago. Instead, it is kowtowing to the power of the media companies, sports codes and gambling companies who are all profiting from people’s misery.”

Fellow teal independent MP Zoe Daniel said Rowland and/or her office had met 66 times with gambling executives in six months, according to documents uncovered following a freedom-of- information inquiry initiated by Daniel.

“How many more young and impressionable sports fans are going to have their lives ruined before government gets the message?” she said.

“Rather than responding to the Murphy report, Michelle Rowland is giving the gambling giants pretty much what they want – the appearance of action when all the proposed measures would do is enable them to continue to normalise the relationship between gambling and sport and wreck the lives of thousands more mainly young people.

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“She is conspiring with the sector to try to enable them to continue grooming young people, many of whom will end up in serious financial trouble and with severe mental health problems.”

Media companies including Seven, Ten and Nine, the owner of this masthead, declined to comment, citing non-disclosure agreements.

Opposition Leader Peter Dutton said the government’s move to require media companies to sign non-disclosure agreements was inexplicable.

“It’s not a national security matter, it’s not market-sensitive, and it’s all about trying to have this secrecy shrouding many of these discussions, as they’ve done with religious discrimination,” Dutton said.

“… We want to see sensible policy in relation to advertising and gambling policy, but if … they’re just trying to clean barnacles off before they get to an election, I’m not sure we’re going to end up with the best policy. So let’s see what it is they propose.”

The Alliance for Gambling Reform welcomed a potential crackdown on social media gambling advertising as significant, but urged the government to implement all 31 recommendations of the Murphy review.

The alliance’s chief advocate, Tim Costello, said Australians lost more than $25 billion each year to gambling, the highest per capita level in the world.

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“If the reports are true, this decision just underlines the power of the gambling lobby and its allies, and those interests have trumped the concerns of most Australians,” Costello said.

“I met with the prime minister once last year and with the communications minister only twice, but apparently this government continues to engage frequently with the gambling lobby and those who profit from the proliferation of gambling advertisements.”

Rowland was contacted for comment.