I just happened to watch this, which says pretty much the same https://youtu.be/Bq9xR5PUs6s?t=388 https://youtu.be/Bq9xR5PUs6s?t=388 "Is Infinity Real?" Sabin

I just happened to watch this, which says pretty much the same https://youtu.be/Bq9xR5PUs6s?t=388 https://youtu.be/Bq9xR5PUs6s?t=388 "Is Infinity Real?" Sabine Hossenfelder, about 6:25 in. Perhaps this is what OP was referring to?