Doubtful all services are ever down simultaneously, either way: What do devs do when Github or Gitlab is down? AWS? GCP? Azure? Or whatever Atlassian product

Doubtful all services are ever down simultaneously, either way: What do devs do when Github or Gitlab is down? AWS? GCP? Azure? Or whatever Atlassian product they're using. Plus, most devs do a bit more than just produce lines of code.