Yes, very much so. In the pre internet era, such magazine articles would probably have been forgotten very quickly, whereas today, of course, there would be considerable follow up as the articles get reproduced internationally, and gain much more exposure on different platforms. That would undoubtedly have generated a lot more interest.
As it was, and as you rightly point out, in those days, collectors and budding collectors would have been much more strongly drawn to the glamour pieces of the day, which would most likely not have included George V pennies, bar the H's KN's and ME's of this world, and probably date fills of any other type going.
Nonetheless, at least the article kindly reproduced by @AardHawk shows that there was awareness of this variety, and probably had been for many years prior to that. It would be very interesting to read some of the relevant Royal MInt annual reports.