He's saying it's FUD because the headline is misleading, not because he's trying to downplay the security issue. You and grandparent are likely in agreement with respect to your comment.
(The headline is misleading because the issue affects several major language runtimes, V8 included – yet only Node.js is mentioned.)
(The headline is misleading because the issue affects several major language runtimes, V8 included – yet only Node.js is mentioned.)