The https://thenewstack.io/where-can-heroku-free-tier-users-go/ marked a sad passing. Heroku was the first Platform-as-a-Service (PaaS) to offer a quick and simple deployment method with a free tier.
The hundreds of inactive Heroku user apps that will be culled may or may not be a loss to mankind.
The humble doorstep is a barrier to many unwelcome crawling animals, while also marking out an entrance for humans.
For any platform, there should be an increase in methods that a service designer can use to check their assumptions.