At that point, why not? There's a very small chance it might have worked (eg. if there was only a single trace that got disrupted). Better than a 100% chance of a dead board.
Unless you want to see fire or have the rest of your pc get damaged that is one bad idea.
These PCBs are insanely complex with minimum 4 layers inside. Highends are normally 8 or more. Now when you drill a hole through the board, what normally happens is that some signal traces could be cut but more importantly the power and ground planes could end up shorting due to the drill.
Putting a metal to short these layers = short = lots of heat due to the current build up = fire if there isn't proper protection in place. Now it would have worked if the layers are all linked but thats rarely the case (actually never came across something like that before).
It is an idea that will 100% fail.
Also heres another tip to all you fellas. Even if on the surface it looks flat and void of any traces on the surface and visible ones are quite far away.. there still could be traces inside that same area! so DONT drill them holes unless you got an xray or the PCB files.. !
