Diarmuid and Paul are urging you not to be overzealous with your raking of leaves. If you want to get rid of them from outside your home you can collect them in a refuse sack, punch holes in the bag, leave it for a year and you'll have brilliant compost for potting plants.
Diarmuid tells the amazing tale of Mary Eleanor Bowes who was the original (unintended) feminist hero and who's story he has interpreted for a National Trust garden in England.