>>1429914The welder didn't fill the pinholes for some reason. There'll be a lot of rust on the other side and very thin metal there, but the acid bath probably has stripped that rust now and the inhibitor should, well, inhibit it.
I thought about filling them with epoxy or filler but that would just be cosmetic and i couldn't be bothered lol.
Yes the frame might fold in half one day but lots of things might happen.