If you read the full text of the amendment you'll see it has a lot of safeguards designed to ensure fair districts.
https://www.citizensnotpoliticians.org/petition/
This is unequivocally an improvement over the current process where legislators get to pick their voters and disenfranchise people.
Note- you have to click the document itself to get the full PDF of it which is 31 pages long.
We paid over a billion and change for 30 years. I can't imagine 350 million over 10 years (even with inflation) is that much better. Not to mention the Bengals are earning 93% of all profits on parking for game days as well. And the "rent" is a joke.
But that's just my take.