Of course exactly zero is impossible, zero plus minus a very tight tolerance margin.
IMO FIA would consider 0 static camber because of
* Increasing tire failures, ruining the reputation of Pirelli
* the sport can't be wasting tires on straights, when the real world calls for longer lasting road car tires as tires are a big pollution concern as 300 MILLION tires stockpile in landfills EVERY YEAR.
http://www.crawfordrenewableenergy.com/ ... ste-tires/
The teams would redesign suspension geometry with increased camber gain to get the same negative camber for the outside wheel.
The challenge would be avoiding positive camber for rear wheels during hard braking. Or front tires during hard acceleration.