As Kahina didn't need to go to Earth for coordinates perhaps the reason is simple politics and PR. Raising her profile over a couple of months so anyone who's ever read galnet will have heard of her and remember her, like a Kimye of 3301. IT can also serve as a public cover for her to meet and be appraised by dark shadowy people and agents within Federation space. She's creating a fuss just so the media looks at her.
The politics of the bubble looks similar to the build up to WW I.
This is bad for tinfoil sales.
You know it's all aluminium wrap, right? There's no tin involved, and aluminum has been found to be bad for that thing that makes you forget when you get older,,what's it called,,,azimuth's disease,,,,where's my glasses,,,,
nevermind