All very well but aren't these devices in most cases the cause of software that is too damned slow? What happens when devs with their 128GB RAM and 64GB graphics cards write things like MS Teams, Slack, Visual Studio, most other IDEs etc.? You get simple apps that take 10 seconds to start up on ordinary desktop machines.
As others have said, there are advantages to pushing people to use normal spec machines to remind them that most of the world don't have 10GbE or even 20Mb broadband but would still like apps to start quickly.
End users don't have to compile the software each time they want to run it. A dedicated performance testing setup with realistic hardware is better than wasting a developer's time waiting for their machine.
As others have said, there are advantages to pushing people to use normal spec machines to remind them that most of the world don't have 10GbE or even 20Mb broadband but would still like apps to start quickly.