No, G-d didn’t make a mistake on the 3rd day when he created plants bearing seed. Now the modern State of Israel is considering whether to decriminalize possession of small amounts of this small part of creation.
Haaretz newspaper is reporting Justice Minister Eyelet Shaked says she want to reduce the max for kush to 300 shekels. By comparison, 300 shekel bought a flock of camels back in Exodus.
According to Haaretz, Israel has basically followed the US model of criminalization of marijuana, with punishments ranging from community service to some serious time, depending on weight and past record.