My apologies if this has been requested before, but I checked and didn’t see anything…
But I think it would be beneficial (especially in 64 player games) to be able to see how many warp gates other players have - so as to allow you to know how fast an opponent could reroute existing fleets.
To my knowledge it is the only investment that doesn’t show up under intel reports.
I guess you could make the argument that you can only see warp gates within scanning range - however I would counter that with the fact that I can easily see how many ships and industry you have total, regardless of my scanning range on you.
I’m not talking about locations, just numbers. If I saw that you had a lot more warp gates than I did, it would affect my strategy for any planned attacks against you.