The biggest waste of money I know of is funding Chu's employer - the federal government. From For What It's Worth via 
Instapundit: 
This would seem to sum it up nicely. Witness ruling class elitism at it's worst:
Incandescent bulb still doomed, and our helpful government is delighted.
In a conference call with reporters, [Energy Secretary  Steven] Chu said the more-efficient bulbs required would save consumers  money over the life of the product, even if the up-front price is  higher.
“We are taking away a choice that continues to let people waste their own money,” he said.
And isn’t that what government is for, to take away the choices stupid people would otherwise make? $20 for a single light bulb vs. $0.37 cents, but who knows better than Washington how you should spend your money?
Exit question: how long before some entrepreneur wises up on this side of the pond and follows this lead:
Incandescent light bulbs being marketed in Europe as "heat balls" to circumvent ban. Instead of cheap light bulbs, $50 light bulbs are on tap:
UPDATE: 
Light Bulb Backlash Hits Dimwits in Congress Plus this via 
Instapundit:
FRED UPTON SHOWS US how not to repeal the light bulb ban.   Fred, if you don’t get this repealed, you’ll still be blamed no matter  how much lip service you give to free markets.  Results are the only  thing that counts here. 
Darned right.