Have access to your <x id="START_TAG_STRONG" ctype="x-strong" equiv-text="<strong>"/>watch history<x id="CLOSE_TAG_STRONG" ctype="x-strong" equiv-text="</strong>"/>
This will delete all your data, including channels, videos, comments and you won't be able to create another user on this instance with "<x id="PH" equiv-text="this.user.username"/>" username.