ManyVids Chargebacks

Does MV not cover chargebacks? I had an adjustment to my account of -$39.99, which is the same price as one of my all video deals, so I'm assuming it was that. It's not the biggest deal ever, but I'm just confused because I've been on there since 2019 and I've never had an adjustment like this.
 
I thought that they covered chargebacks. I've been there since 2015 and never had a chargeback or a refund (other than customs I changed my mind on, and asked support to refund.) I would message and ask for details about that, that seems weird.

One time one support agent (a new guy) tried to say he was giving a refund on a $5 clip. It was for a stupid reason, and I told him No, and that MV has never done refunds. So he argued and said he was going to refund, back and forth, but never actually did it. I could have sworn they didn't do refunds and covered chargebacks.
 
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