Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
supercell reserves the right to remove or reclaim any usernames at any time and for any reason , including but not limited to claims by a third party that a username violates the third party 's rights . 

```
. OPTIONS: ['Unilateral termination' 'Jurisdiction' 'None' 'Choice of law'
 'Unilateral change' 'Content removal' 'Arbitration' 'Contract by using'
 'Limitation of liability'].