Are you sure? From let's say the 100 web devs I encountered the past years I remember 3 using Windows, and they all used the Linux environment for development.
They're referring to the Cloudflare product suite which has massively grown from CDN to registrar to application security to corporate networking and more. I agree that it can be hard to see and use all the different product lines given how fractured everything is.
Currently it's 30-45Mb depending on the OS. We're working on providing a "lite" version of the runtime, that doesn't include tools like formatter or linter. Preliminary works show that we should be able to trim executables down to about 20Mb.
Currently binary size is a bit larger than the `deno` cli.
We are currently working on reducing size for these `deno compile` binaries though. From preliminary testing we think we can reduce size by around 60% - maybe even more.