I can see that somewhat. Maybe you like surfing or salt water fishing and move from the coast to the middle of the country where it just isn't geographically possible, or laws in one area prohibit it (homebrew, guns, etc), etc.

But I don't really see location as a major factor in most hobbies. I grew up as a military dependent and can't remember giving up hobbies just because we moved. You can almost always find ways to continue them.