Because they are a struggling independent news source based in NYC that has been fighting the CCP and globalist shills for a long time and need support as far as I'm aware. Email lists are ways which they can reach you to ask for donations and to update you with what's going on.

Edit: my original post was edited because I was misinformed and corrected it. No need to downvote the guy below, he was going off the original.

Because they are a struggling independent news source based in NYC that has been fighting the CCP and globalist shills for a long time and need support as far as I'm aware. Email lists are ways which they can reach you to ask for donations and to update you with what's going on.