In reply to Zi Yang.

It's ethical too.

Commercial plugin and theme developers benefit off of free WordPress core software, built by hundreds of devs donating thousands of hours if time.

Automatic itself takes work donated by WordPress developers and sells it at WordPress.com.

Other hosts like Studio press.com are free to do the same.

This is healthy and good.

The "cost" of selling WordPress software is you have to release it under the GPL too. This is a great thing - it makes sure no developer can become a dead end for GPL freedoms.

It's unethical for developers to make millions off of WordPress popularity, then try to bully and discourage others from doing the same with their GPL'd work