What is ironic about how Obi closes the path Why is the conclusion of the story ironic?

Obi closes a path for safety reasons, as he believes it will prevent accidents, but in the end, it ironically leads to tragedy when an accident still occurs. The conclusion is ironic because despite Obi's efforts to enforce safety measures, the very path he closed ends up becoming the source of misfortune, highlighting the complexity and unpredictability of life.