It's also the anti-tiger rock.
Tigers exist, and can kill you, so you'd better hold this rock at all times.
Yeah, but we have practically usable variants of meltdown and spectre.
the only reason its not useful to deploy them is due to a massive amount of herd immunity (and the fact you consume a lot of CPU when trying the attack making it clear - bad combo for an attacker)
this is known as the Y2K paradox.
The Y2K bug had the potential to be very dangerous, but due to a wide-reaching campaign and tonnes of investment the millennium came with very few issues (there were still some) leading many to speculate that the issues were overblown