One benefit of the new system for me is that I can walk in from Sepulveda and take a nonstop or 1-stop bus to TBIT or Terminal 4 or 5. That should be faster than walking all the way from Sepulveda to those terminals.
Edit: My point being that the new LAX-it buses could be useful in the other direction: from the LAX-it lot to the terminal, rather than walking all the way.
Since taxi/TNC dropoffs are allowed at the terminal (and since I haven't been to the LAX-it lot yet), is it possible to board a bus from there and take it back to the terminals?
Also, somewhat ironically for car-centric LA, I'm sure this lot is leading to the most walking traffic that these sidewalks have ever seen! (Saying this as someone who in recent years has been walking from T1/2/3 down to the Hyatt across Sepulveda to get picked up by friends & family to spare them going through the horseshoe traffic - usually it'd be a fine, but rather lonely walk. At least now I can probably get picked up/dropped off in the horseshoe a lot more easily than I used to be able to).
Based on the Google map layout, it looks like the expanded version of the lot for Lyft has its entry on Century (which maybe will ease some of the traffic into the taxi/Uber side), and has exits out to 96th & Sky Way for north-bound traffic, and out to Sepulveda for south-bound traffic. But I guess we'll find out for sure in a few days.