A very underrated show effectively buried after transmission. Funny, bittersweet, well cast and performed, it had maybe one major problem. John Sullivan wrote it, it might be that much of the audience were expecting another 'Only Fools And Horses', canned laughter included and written at a pace for a 30 min sitcom - even the later longer episodes were too. Which Roger Roger was not, If I recall it wasn't exactly heavily promoted either even for the first series.
I certainly don't remember anything about 'from the creator of 'Only Fools And Horses' being mentioned. Another factor might have been the BBC seeing Roger Roger as a rival to ITV's hit comedy drama 'Cold Feet' from the same period, when it did not have the impact of the other show (Also with John Thompson in the cast), maybe the BBC rather got Cold Feet themselves. Though the ITV show was from the start structured towards more and longer series.
Though in truth, two series of Roger Roger was enough, good as it was. And well worth catching if you get the chance.