I don't know for a fact but being a long thin piece of flattened metal that it is could conceivably allow it to vibrate at some frequency and become weakened by metal fatigue.
With the very poor quality of the Indian made light bulbs that came on the bike as an example, nothing would surprise me.
I also notice that the flat "wire" has hundreds of little black specs or dots on it throughout its central area which don't exist at the ends. I don't have a clue about whether this is some sort of calibration method used by the Indians, some sort of metal reaction to becoming hot from the current flow or just what it is.
I do know that I've never seen this sort of thing on a fuse made in the US.
Whatever the case may be, I now have over 80 miles of riding with the new fuse I got at the auto parts store installed and everything is working like it should.
If the old fuse blew because of a short I would think it would have resurfaced by now but I admit, you never know when it comes to those sneaky electrons.