Headcount changes take time. If you need more workers next week, you need to be hiring a month or more in advance. And hiring/onboarding costs money. So to a

Headcount changes take time. If you need more workers next week, you need to be hiring a month or more in advance. And hiring/onboarding costs money. So to answer your question, headcount changes have a very long lead time. If you update your forecast and realize you’ll need fewer people 6 months from now, you start laying off people today.