Spider-Man 2 anyone? Rushed fucking plot, reused assets and more glitches than either Miles Morales or SM1. "No crunch" (they still actually crunched), efficient Insomniac, everyone!
Obviously it doesn't work the same way for single player, but Layden's peers are always taking about how much engagement matters. The games staying on the charts for years on end and making the salivating money get played for thousands of hours.
When you do look at single player though, there's also the fact that the biggest breakout critical and financial hits over the last generation are games that are either open world, went open world, or set franchise highs for game length. The Witcher 3, Persona 5, FF15, Elden Ring, Assassin's Creed Valhalla, Monster Hunter World, God Of War '18, Horizon Zero Dawn, Hogwarts Legacy, Baldur's Gate 3 etc.
People will play and, more importantly, pay for long games they enjoy. If your game has that low a completion rate, it's probably not great.
Like, when he says this:
Does he realise that more people played and completed TLOU2 and Uncharted 4 than The Order 1886? At least, by available data, they were similar? And forget about sales. So when do you stop reducing length?
Obviously the next Naughty Dog game shouldn't be 50 or even 40 hours long to complete, but come on dude