I think that I am old school, but not certain because I do like and can see a need for some of the new designer cartridges that have come out over the years; especially the long range 30 calibers. I can remember when the .308 Norma magnum first came out, at that time it was the only "hot" cartridge to have. Shortly after that I built a .358 Norma magnum, because it was a "magnum" and I had to have one. I do like the .270 Winchester for taking thin skinned animals at long distances, I like the 35 Whelen and the vintage .358 Winchester for the heavier, thick bodied game such as black bear, and although I have never harvested any bear with the 45-70 I like that cartridge for hunting them as well. And I can remember when the 7mm Remington magnum and the .264 Winchester magnum came out. I guess it would be easy to say that I was then living in an age of magnum mania, and now I have dated myself. I have a fondness for the 338-06, the 6.5-06 and the .270 Winchester, and most of the Ackley Improved cartridges. I'm presently building a .270AI., but it's built for long range shooting at thin skinned animals. Now for the OP question. Perhaps a different perspective/answer is that if I were out deer hunting with my 30-30 and the deer of a lifetime came out 300-400 yards away, would I have been over gunned if I had my .270, 7mmRemMag or .300 WinMag? If I were out deer hunting or elk hunting with my 6.5 Creed (gonna rile here!!!) and I ran across that nasty, mommy grizzly who was having a bad day, would I be over gunned if I were carrying my 300 PRC, 338 RemMag, or...458 WinMag? The point is that I consider the term "over gunned" to be subjectively judgemental; and, we all know that there's plenty of those individuals in our hunting/shooting world. Yup you might get the job done with something smaller, however one has/ought to use common sense when selecting a particular cartridge for hunting or shooting circumstances. Sure you "might" get the job done with a smaller/lesser cartridge, however ethical common sense should prevail. Although, "There's only one kind of common sense but a thousand varieties of stupidity."