There is a real difference between a plant forming pollen sacs in week three of flower and one pushing out a few bananas in the final days. The late version is a common end of life response and rarely leads to viable seeds if harvest is close. How to tell the two apart, and when a plant should be pulled versus simply harvested early, is explained with photos at https://queenfeminizedseeds.com. Panicking over a late banana has cost people perfectly good crops.