I don't think it means any kind of agenda, but just that people generally don't go around telling people of shit and illegal things they've done.
I worked with a colleague 10 years ago in the NHS that was known to be a bit of an asshole and a bully and possibly taking advantage of junior staff.
I found out some things about him by chance that were just gossip but if true, were gross misconduct and veered into criminal and I whistle-blew. There was an internal and criminal investigation and it turned out what I knew was the tip of the iceberg and I was shocked by what was uncovered.
But what I found out was still vastly more than what 90% of his colleagues and managers knew. All of which had known him for years longer than I.
To the point that during the investigations when I was instructed not to tell anyone of the small bits that I knew and had reported, other colleagues were extremely worried about him, distressed by his suspension and investigation to the point they needed counselling and wondering if it was all bollocks and the poor man was being pushed to the point of possible suicide by all the stress.
Turned out he was a complete wrong'un committing sophisticated crimes over a lengthy period and went to prison for years and was struck off.
And I didn't anticipate that at all and knew him for a few months, let alone all the people who'd known him and considered him a friend for years, invited him to their homes, weddings, etc.
No-one in a public position goes around telling people they know and are even close to, that they're downloading CSAM, using sex workers, abusing DC, beating their wives, using drugs or committing fraud unless they're very sure the people they're telling are doing similar.