I think using foot straps to improve safety makes sense as well. Although if you fall in a really awkward way you can definitely hurt yourself with straps. I've found when falling I can just go down with the board resulting in more control and keeping the foil in a safer position. Another thing to consider is straps will help you recover in situations you'd crash otherwise. A good example of a recovery that could only happen because of foot straps:
www.instagram.com/p/CKWSQUsjRbp/?igshid=1ebcn6k6aixki