In the "old" days of the eighties, we used to get draws of 64 or more for all the local tournaments. Today, we are lucky to get 16 -- sometimes just 8! Junior tourneys get all the action.
Increasing the price won't help but maybe it doesn't really matter since the interest is not there anymore.
Isn't enough to see that a garden is beautiful without having to believe there are fairies living at the bottom of it, too?