system
Given the following post, respond as if you're commenting on Reddit:
human
CMV: Governments around the world should demand Russia withdraw from Ukraine or else pass laws that commit to economic sanctions on Russia for twenty years.

Economic sanctions take time to take effect. Although, Ukrainians are putting up a valiant fight, not many believe they will hold out in the long run, even with sanctions. Putin might believe that if or when he takes Ukraine, that the rest of the world will say oh well and lift sanctions. By committing the sanctions to law for twenty years if troops are not withdrawn, it increases the perceived cost for Putin to keep invading. What's more, I think countries should coordinate the deadline, say March 9th, so as to create additional pressure.
gpt
They are saving some stuff for later. If you use everything now then there is nothing to deter Putin. If they are set for 20 years, then even if Putin is removed they will still be in effect. Need to make sanctions temporary to encourage removal of Putin.