In an agency known for dumb ideas, this might be the dumbest.
Timmy Terrorist, born 4/8/84, is on the watch list. Now all Timmy has to do is use the first name "Tim" and a birth date of 8/4/84, and POOF!, he's off the watch list.
And what happens to the non terrorist, born 8/4/48, who accidentally enters 4/8/48 for his/her DOB?
Dumb. Supremely dumb. Pretty par for the course for TSA, don't you think?