No one who has actually sailed an F16 thinks it's slow. Go back and read the latest Alter Cup posts. Of course, any boat is fast when it's being sailed by experts.

For the average sailor, the F16s strong point is its versatility. You can sail 1 or 2 up and it's light- you can wheel it around the beach or parking light without getting a hernia. Additionally, compared to an A cat, it is much more affordable.