Nothing I have seen from Rivian insinuates that lidar is necessary for P2P. I think they've been pretty specific that lidar will not be used until level 4 autonomy. I don't think that they've even insinuated that it's needed for level 3 autonomy.
As I see it, basically by waiting for a car...
I don't think there is enough information to suggest that it won't roll out to all R2s. It could be a different release schedule for R2 vs R1T vs R1S for all we know. Regardless, I'd rather have it rolled out when it's right then too soon, then have it stopped and delayed. Remember that whether...