It's not relevant because the person who is MVP in a sport is an opinion. Or, to put it more bluntly, it's a marketing scheme to keep people talking about it. There's no correct answer when it comes to opinions.
If the question was who scored the most points in the year, that can be answered factually by data.
If the NFL was deleting all their data at the end of the season with the goal of creating arguments and sowing disinformation, that would be a more relevant example.
No, cause of death is objective. Whether or not we have the data to figure out the truth doesn't deny the truth.
That's the point of data. To get us closer to the truth. Gravity will keep making you cling to the earth no matter your opinion. Even though as we speak we are still trying to develop models to properly understand the particles or forces behind gravity.
If the question was who scored the most points in the year, that can be answered factually by data.
If the NFL was deleting all their data at the end of the season with the goal of creating arguments and sowing disinformation, that would be a more relevant example.