I believe it feels like AI because the foreground is completely redrawn slightly differently each time where most artists would use the same image slightly altered.
I think the most alarming properties is Russian guy changing shape and the kids almost changing art style in the last panel.
The background though is static with the exception of that one cloud, thats something i have not seen an ai capable off.
The strongest reason why this would not be AI is the other content made by Catfish.

Thank you for creating autism content.