Electromigration matters on the order of 100 years.
Intel messed up their life expectancy calculations, and thus they died after 2~3 years. I think 2 are still alive.
Only the B2 stepping of chipsets should be affected by this tough.
https://www.anandtech.com/show/4142/intel-discovers-bug-in-6...
https://techreport.com/news/20326/intel-finds-flaw-in-sandy-...
I'll probably just upgrade to Zen3 soon, so it'd not be worth the effort (the machine in question is off and in storage).
Electromigration matters on the order of 100 years.