User blog comment:ZTH-Yankee/Weapon names changed during the merge/@comment-2.24.114.92-20150828134246/@comment-7395018-20150828171500

I guess to make it consistent between regions.

You wouldn't want to have translation errors or any other type of error due to having different regional names. Regardless if the company is well-organized or not, there is always the possibility of mistaken names.