It is easier to find the exact spot with a straight scope...

For really long glassing sessions it is easier to find a comfortable position with the angled...

I prefer to put up with struggling to get comfortable and use straight scopes. Most disagree with that position. I have seen many times where I was able to get the scope on critters far faster than any one else and that is the trade-off I prefer.

Mark Begich, Joaquin Jackson, and Heller resistance... Three huge reasons to worry about the NRA.