That isn't exactly the same what he is saying is that for many of us we can't justify the $10 dollar plan enough to purchase dropbox but would purchase the $5 dollar plan at 25gb or 50gb or half the ten dollar plans size.

This isn't to say it would be a good idea for dropbox to offer this whether they make more money now or with the cheaper plan is unclear to us just many people want a $5/month $50/year plan.