In other words, you’re admitting you’re mindlessly parroting the anti-nuke propaganda about “highly-radioactive for countless millennia”, since you can’t name a single isotope produced by any of those events that will remain significantly radioactive for anywhere near the “10,000 years” you shriek about.
Some of the stories claim “20,000 years”. Why don’t you use that figure?
In other words, you’re just a troll.
Come back to us when you clean up your shiite.