While the league has moderated the source of some "bad calls" it has simultaneously restructures rules in ways that leave the door open for judgement calls (PI) that could go either way.
The league has made its bed with the gaming industry and is making money from the alliance. It isn't about to modify that alliance, other than to be more serreptitious in accomodating it as
That alliance is ultimately behind the "problems" with officiating. Technology is not the answer.Technology can be boogered, just as rule changes can be administered on the field with payoffs for errors and omissions.
The games don't need to be totally rigged; just influenced for, say, a 3% margin for error tilting in the gaming industry's favor. That slim percentage can yield a helluva lot of bucks, after all of their well-schooled analytics are in and the money is on the table.
The gaming industry never should have been given an open field to run unfettered into the NFL.