That would be the conservative thing to do. If there's no limit on microcode updates, if I was Intel, I'd consider doing that first and then speeding it up agai

That would be the conservative thing to do. If there's no limit on microcode updates, if I was Intel, I'd consider doing that first and then speeding it up again later. Based on the 5-second guess that people who update everything regularly will care that we did the right thing for security, and people who hate updates won't be happy anyway, so at least the first update will be secure if they never get the next one. (I think there is a limit on microcode, they seem conservative to release new ones - I don't remember the details)