I prefer fixed magnification scopes because they are very tough. I don't know about others, but in the desert ranges I hunt, I always seem to fall on the rocks or some ice and snow. I've never had a 3X,4X or a 6X change zero on me. In spite of this treatment.
The other is that many think that field of view is no.1 when it comes to acquiring game on the move in close cover. Actually, it's highly over rated. A properly positioned scope, one with lots of eye box and a rifle that you can handle rapidly are what is needed.
Last of all, extra magnification, really anything over 4X, has never made a difference to me when it came to shooting any big game animal, even at the longest ranges.
I've used all sorts of variables for many years. I stopped using them when I learned, in the field, just how practical fixed magnification scopes are. E