Suspended for leaving lane with someone who started saying threatening things and hate speech

I was supporting and my adc from the pre game lobby started saying really problematic stuff, mentioning personal stuff about me he shouldn't know. In game he made a direct threat and hate speech. Obviously that made me uncomfortable so I did not want to play with him and left lane to help other lanes. He and his party reported me for inting (which I did not), getting me a suspension. Now I sent in a ticket to Riot and they have simply closed it. Besides approaching maybe a media outlet to highlight this (this is about the 20th or so instance of a rape or death threat where Riot has just closed my ticket with no response), what else can I do? Is there truly no recourse to someone threatening me with hate speech and then me being the one suspended?
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Ofensivo Spam Mau comportamento Fórum incorreto