This. It's important to remember that from the perspective of millions of corporate users (not the hacker crowd), this is is THE tool. When you think about it, Microsoft really is Excel. That is their core. Why is it difficult for corporations to switch from Windows? Office. Why Office? Excel. If anyone attempted to create something that not only matched Excel (with all the messy file compatibility issues and macros), but surpassed it, they would be striking at the heart of Microsoft.