Maybe not in the startup world, but because of the popularity of LAMP and the ubiquity of Windows, a lot of people use WAMP (e.g. via XAMPP) as a local developm

Maybe not in the startup world, but because of the popularity of LAMP and the ubiquity of Windows, a lot of people use WAMP (e.g. via XAMPP) as a local development stack. It's important to be aware of our own cognitive biases: while Linux is the de-facto standard on the server side and the startup scene is dominated by MBPs and its variants (with a good helping of Linux again, though often in VMs), this only represents a tiny fraction of developers. Dark Matter Developers are a thing.