There is absolutely no reason we shouldn't use oil to make plastic. The entirety of the problem with CO2 in the atmosphere is from the use of oil as combustible

There is absolutely no reason we shouldn't use oil to make plastic. The entirety of the problem with CO2 in the atmosphere is from the use of oil as combustible fuel. Like "shouldn't have been pumped from the ground in the first place" -- what? (also ignoring that historically oil was discovered literally just coming up out of the ground on it's own).