The job of Stockley park should be little more than to communicate the instant results of offside / fouls / etc to the on field ref to take the appropriate action, and I simple cannot believe that if a serious attempt to make this an AI driven instantaneous assistant was made, just as it has show it can be made to work for such high speed sport in Tennis with Hawkeye, that it would not be possible.
I mean with all the camera and tracking tech now, then we must be regressing, but as with all such endeavours, it the WILL to do it that prevents its success.
You could argue that a capacity to allow muddied conclusions gives the governing bodies the ability to direct results as best suits the business requirements.