I can tell you why people
I can tell you why people take the bulky manuals out and store them at home. Some genius at Subaru reduced the size of the glove box on 2023 Outbacks so that it's now only big enough for one glove. No, the Eyesight function doesn't merely fail in poor weather. Ours fails All The Time. It's a rare trip when we don't get the White icon warning that Eyesight is now inoperative. It has now been in the shop three times to try to fix the problem. The first time in, Subaru tried to convince me that the problem is all in my head. The second time in, I went with video recordings of the vehicle in motion, in clear weather, facing away from the sun, with the Eyesight failure warning illuminated. At this writing, the '23 Outback has been in shop for five weeks whilst the mechanics attempt to diagnose and repair the problem. If Eyesight fails again, without due cause, this will be reason enough to invoke the Lemon Law and ask for a refund. Advice you didn't ask for: Eyesight isn't ready for prime time yet. Until the engineers at Subaru can get it right, consider another vehicle.