They never are able to provide any more evidence than the level that exists of UFO existence. It would be nice to see something other than conjecture.1. Doesn't mean it still exists or effective. It wasn't in 1989...
2. Show me the evidence it worked in 1989, during the early 2000s or in 2008.
https://en.wikipedia.org/wiki/Friday_the_13th_mini-crash