Even if only 1/4 of the people threating to resign, resigns, its still like 20% of the company leaving abruptly without any sort of handover. They might keep the light on for chatgpt and the API's, but its going to blunt growth and re-hiring isn't done in a heartbeat. You need to vet, test and onboard new employees. You're looking at a setback of at least 9-12 months of growth and research