It would seem that radio programme researchers have gone the way of the dodo. I never hear any mention of them among the team who "helped put the show together". By the way, it seems a news or current affairs programme is now a "show". And "shows" are surely all about entertainment rather than providing information. But back to the topic in hand. No-one is credited as a researcher any more. But there do seem to be a lot of producers. When I was on the radio there were two producers. One was never seen and was the boss of the producer who put the programme together, along with the researcher. I suspect that most of the people now described as "producers" are what used to be called researchers. "Producer" sounds more important. But I bet they get paid what a researcher would have, if any still existed. Most of soldiers here in Canada who would be privates in the British Army hold the rank of corporal. Promotion to corporal is automatic after something like four years in the army. So, Canadian sergeants are section commanders, assisted by master corporals,  and the same rule of thumb goes pretty much up the chain. Knock Canadian soldier down a rank to work out that level of responsibility they would have in the British Army. Maybe it's all part of the "everyone gets a prize/sweetie" culture that's so prevalent these days.