Actually, every piece of farming equipment has this as a standard feature. According to the article those sorts of things wouldn't be changing with this law because they would mean removing safeguards.

The law proposed would make something like the MOU JD signed into law in some states. It's not certain what consequences this would have with the contracts. Which is why they're only considering this and not doing this. They have to study the particular impacts of this decision. They don't want to sign it into law and find out that they made a law that creates a recall issue that cripples agricultural for a year.