In reply to Zi Yang.

Is it stealing or is it legal? It can't be both, yet you've said it was both. It's not unethical either in that it specifically grants this right in the licence. Please read the licence. You cannot claim someone is acting unethical when they are simply adhering to the licence, both the letter and the spirit. You are doing a real disservice to WordPress when you say something like this.

This isn't really a matter of option or personal philosophy. This is all defined and spelled out in the licence. Far too many people using WordPress just don't understand the licence. It seems they want to treat WordPress like Photoshop or some other software with a much more restrictive licence.