If you write it down on a piece of paper and have one or two backups in different and secure places, you can avoid the risk of getting hacked online and the only way you'll lose your funds if someone physically get access to those papers where you stored your seed phrase.
There is no point in saving or writing down your seed phrase on a piece of paper in out of order because it will just make it difficult to unlock your wallet. In my opinion, the significance of this experiment is that a seed phrase of 12 words is more vulnerable than a seed phrase of 24 words. But, as I previously stated, I believe this experiment is pointless because no one will keep their seed phrase out of order.
Considering this thing, exposing your Bitcoin address with a large amount of Bitcoin within can be hacked which is why Bitcoin mixer was created, how much more if you show your scrambled seed phrase.