The speaker's mother is making a prediction that her Airbnb guests from South Korea will be problematic due to a language barrier, leading to a need to learn Korean. This also includes a historical comment about Americans leaving in 1953. The mother's attitude towards the guests and the need to learn Korean can be seen as a prediction of future challenges and adaptations in hosting international guests.
"my mom actually I'll be like hey Jan how is your Airbnb going and she'll be like not good Jamie guess where my guests for the next three days are from and I'll be like where and she'll be like South Korea and I'll say what's wrong with that I love Starcraft and she'll say they don't even speak English Jaime it disgusts me and I'll be thinking oh no here you go but then she'll be like how am I supposed to have them for dinner and wine to ask about their culture if we can't even communicate I'll have to take Korean on Duolingo and I'll be thinking oh that's nice of you I wasn't expect that's why the Americans should have never left in 1953 and you know classic Jan"