There were recalls (plus lawsuits and fines); you can still find info on some of them; not sure if the frame cracking/breaking was the cause of recalls. They mention the fork separating from the wheel; knowing government agencies, I would not be surprised if they worded the problem incorrectly.
Don't know what device you are viewing this on, but the crack is quite visible in the second photo on my largish monitor. I've circled the crack to help you find it. Perhaps @gumpit will provide pics of his gusset job.
I think they crack there from the leverage of the footpegs twisting the front downtubes, if you try to stand on the pegs. they are too far forward to begin with. I removed my pegs and clamped a tube on the brackets. its much stronger on top of the frame and strengthens the area.