> Now imagine how much more they'd make if they actually published quality material instead of culture war clickbait and freshman opinion pieces.
Won't this crowdfunding potentially polarize journalism even more? In general, individuals are more passionate about their political opinions and social causes than for neutral, high-quality journalism which sometimes confirms, sometimes rejects their world-views. You also invite strong pressures from well funded special interest groups, seeking to borrow on the credibility of journalism to promote a particular world view.
At the very least, it's much harder to get businesses to openly profess a particular political view. Often those which do face huge backlash and more ill-will towards their brands than the good-will they're trying to foster with ads.