Well, I've worked for the government (as contractor), corporations, and small businesses, I could count a few times I've seen people using Apple Mac Pro devices on one hand (more often seeing Macbook Pro rather, but very rarely for development) and more time than I can count on either Linux or Windows workstation computers.
We use Linux desktop often, because most of our servers are running on Linux so it helps to have version conformity when matching up with server's versioning and we occasionally use Windows for Visual Studio, proprietary software and so forth. But there are a few times where we get discounts for buying software for Linux rather than Windows.
Employees in my office switched from Apple Macbook Pro to Windows/Linux based laptops like Framework Laptop, because Macbook Pro often time lacked GPU that you would find on Linux and Windows workstation. Apple is going off on it's own little world with their own Metal API/GPU and it doesn't reflect the reality in real world emerging technologies. For instance, there are some computational challenges that in my office, we make use of Vulkan Compute so that we can purchase both Nvidia GPU and AMD GPU to generate real-time data, had we used Metal API and Apple's products, it would've been cheaper to purchase cloud compute servers. (We wanted to ensure each developer can test the given Vulkan code on their own desktop/workstation.)