"It couldn't, it really couldn't," Amancio told Red Bull's video game blog. "I mean this is why from the beginning, this was going to be a new-gen-only title, because the crowds aren't aesthetic, they actually have impact. If we did anything to hinder that or to reduce that it would have a detrimental impact, it wouldn't be the same experience."
"I don't think that would be fair to fans, to sell the same game but with different levels of experience," he added. "Even the seamless nature of the series and the scale of the game right, we couldn't do that. We never load Paris. It wouldn't be possible, in our minds we'd be cheating fans by providing a lesser version of the same game."
This is not the first time Ubisoft has talked about why Unity isn't coming to anything but current-generation consoles and PC. In June, senior vice president of sales and marketing, Tony Key, said that Unity "can't be done" on last-generation consoles. "At least we haven't figured out how and we're not trying to," he added at the time.