Harry Brook, white-ball captain and Test vice-captain, was fined for a late-night altercation with a bouncer in Wellington just hours before he led the side in an ODI against New Zealand in November.
The news leaked out soon after England completed a 4-1 Ashes series loss in Sydney.
During the Ashes tour a mid-series break to Noosa attracted attention, likened to a "stag do" with players pictured drinking in public across multiple days.
A video of a seemingly disorientated Ben Duckett in a tetchy exchange with fans then emerged on social media during the trip, but Broad feels these instances should be viewed as isolated episodes.
Broad, who took 604 wickets in 167 Tests for England before retiring after the 2023 Ashes, said on his 'For the Love of Cricket' podcast: "I think cultural-wise, England are good, there isn't a drinking culture.
"I'd hang my hat on that knowing the boys as well as I do. I just look at these guys: (Zak) Crawley, (Ollie) Pope, (Ben) Stokes in recent times, (Joe) Root, they're not really drinkers.
"There have just been a couple of guys who have made mistakes and that's got into the media.
"As an international player you need some sort of release. If you don't have that mental switch off - cricketers are away six months of the year in hotels, it drives you mad if you don't do anything."
There has been speculation that a midnight curfew might be reimposed, which was introduced during the 2017-18 Ashes tour but repealed when head coach Brendon McCullum and captain Ben Stokes took charge of the Test side in mid-2022.
Broad, though, said the issue was not players being out late, but a failure of teammates to look out for each other.
"It's having the team-mates around you to go 'your time's up, mate'," said Broad. "It's up to your team-mates to get you out of those situations.
"Your culture is really strong when Ben Duckett isn't left alone (and has) no idea where his hotel is and Harry Brook doesn't get himself in a situation with a bouncer because he's not allowed anywhere near that situation.
"I think that's the thing that will disappoint Baz (McCullum). I'd be very surprised if Baz and (managing director of men's cricket) Rob Key bang on curfews, they'll just be saying 'look after each other a bit, let's get tighter'."
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