Actually Azure does support Linux servers (SUSE and Ubuntu). It is NOT strictly Windows and NOT strictly Microsoft. In addition to generic Linux servers, they support platform-as-a-service applications written in Java, PHP, Python, and Node.JS. In other words, not just .NET. They support not just SQL Server databases, but also MySQL and various embedded database and no-SQL options. I believe they are also working on supporting automated build/deployment from Git repositories in addition to TFS.

I neither work for nor own shares of Microsoft. But I have used both Azure and Amazon services. You may or may not like Microsoft as a company (or even Azure as a platform), but you're simply spreading misinformation. Azure has come a LONG way in the past year or two, and in a good way that embraces both traditional Microsoft and open-source technologies. This choice is a VERY good thing.

Actually a number of their products have been going open-source in the last year or two, especially some of their web development frameworks such as ASP.NET MVC, Entity Framework, the Razor view engine, etc. I believe these are under an Apache 2.0 license.

Their Azure cloud platform also recently added "IaaS" support for installing Linux in persistent VMs. My guess is they might want to discuss this.