So the operators of a web dev education site apparently don't know enough themselves to at least look at their website on Windows before launching? Hint: if yo

So the operators of a web dev education site apparently don't know enough themselves to at least look at their website on Windows before launching? Hint: if you are trying to sell stuff, it's probably best to reach out to the widest possible customer base. I can see no business reason to target Mac/Linux users only.