This sounds awesome, but not practical for smaller companies. The cloud costs must be significant? "Faster Git, Build, and IDE experience by utilizing beefy cloud resources–up to 48 cores and 96 GB of RAM per environment"
To do this well it takes manpower. There are some off the shelf options out there for remote/prod like Kubernetes based development that are smarter choices than building your own. The table stakes for doing this is being a big corp that can afford to spend millions on one custom tool with a hope for positive ROI. For the rest of us, find something that works that is open source or easily licensed.