That is the main point that most of the chronic complainers miss: There is steady progress in hair loss research. It just didn't reach the threshold level of understanding required for a cure (or it actually did - I am still very optimistic about RepliCel). The point is: Research doesn't work like:
Step 1: You work very hard.
Step 2, the result: A cure
It works like this:
Step 1: You work very hard.
Step 2, the result: Better understanding
Step 3: You work very hard.
Step 4, the result: Better understanding
Step 5: You work very hard.
Step 6, the result: Better understanding
Step 7: ...
...
Step 9000, final result: A cure
It is an iterative process, not a binary one with the two states "cure"/"no cure". There are many results on the way to the final result. Or why do you think we don't have space travel yet? We simply lack the required intermediate results on the way there.