The "default search engine" position is actually worth money. But the amount it's worth is probably roughly proportional to the number of Firefox users. With F

The "default search engine" position is actually worth money. But the amount it's worth is probably roughly proportional to the number of Firefox users. With Firefox having less and less market share, the attraction to search engines of supporting it -- particularly those whose operators also make their own browser -- must be diminishing rapidly as well.