Interesting but can still be spammed, we need both techniques in play. This plus cookie/ip tagging.

    for (let i = 0; i < 20; i++) (() => {
    	const elem = document.querySelector('.votewdgt');
    	let widget = new VoteWidget(elem);
    
    	function vote () {
    		console.log('voted');
    		widget._state.voted = false;
    		widget.vote(vote);	
    	}
    	vote();
    })()