The phrase "same argument" refers to discussing or debating a topic that has already been discussed before. It means bringing up the same points or ideas that have already been talked about. Full definition
I have had the exact same arguments with my in - laws and friends about my parenting techniques! (attachmentparenting.org)
This is the exact same argument and integrity that you need to have when it comes to purchasing a traveling system for your baby. (earlymomentsmatter.org)
Same argument goes with rewarding people here illegally with tuition assistance when we're not helping our own kids enough pay for college. (nystateofpolitics.com)