No, you're just not skilled enough.
Metal Hinge's attachment point will AGOD if you do not switch to another building menu quickly enough. Just go to a different bot building menu and then switch back to attaching components and your wedge should work just fine.
Most things need a wedge to be effective, a SNS is the only bot on top of my head with no wedge.
But You'll need a wedge to face the Nar(Popup) AI pack.
I wont be using skirt Hinges & Metal Hinges for Wedges anymore....
But you used a metal hinge wedge on the bot you just posted.... :?
Skirt hinges glitch for you?
ALERT- Another WS coming up...
I'm fine with hugging reier