hallucinations don't invalidate the product itself. I really hate to see this constant lazy refrain on here.
Its just like anything else. Trust but verify. Some will just trust, others never will... People probably over-trust the tech now, but just like wikipedia it will be approached a little more carefully as people learn its shortcomings.
Unless you're trying to perform open heart surgery or doing something intrinsically dangerous, its probably going to be additive. I wouldn't trust it to help me assemble a warp engine, but it may be able to give me some decent pointers for guitar technique or how to change my oil.