I think you misunderstood. Prior to the upgrade the targets page would allow for a player to Spy on multiple players at once. With the new setup you have to visit the map each time, which takes a lot longer than spying targets on a single page.
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Oh, I see what you mean. Before you just entered the name of a player and now you have to find him on the map, yeah, that is the entire point actually BUT if those seconds are too much for you, you could remember or write down the locations from players and then instead of going to the map, enter their locations manually where it says select your target coordinates. I hope that helps :)