No market lives up to their hype, but I have a feeling that the two worst offenders for consistently [10+ years] talking about world changing breakthroughs that

No market lives up to their hype, but I have a feeling that the two worst offenders for consistently [10+ years] talking about world changing breakthroughs that underperform is battery tech and self healing dentistry. That doesn't mean there are no advances in batteries - Tesla in particular changed the way we look at large and fast charging deployable batteries [in multiple industries] - but where are the major breakthroughs that are announced untiringly? OT: There ought to be another award for most overblown hype (though less consistent). My contenders: Fusion, AI, Quantum computing and Web3