Would anyone have an idea as to why it would drop large portions of text as pointed out in the article? Would this be a context window issue? Overall very inter

Would anyone have an idea as to why it would drop large portions of text as pointed out in the article? Would this be a context window issue? Overall very interesting analysis, thank you!!! (I also thought the comparison to the authors bird and wanting to invent conditions to be rewarded to be both funny and intriguing).