Look, the question was "why don't more people use Polymer." That's the answer: it's not natively supported, or not perceived to be natively supported, or whatev

Look, the question was "why don't more people use Polymer." That's the answer: it's not natively supported, or not perceived to be natively supported, or whatever. I work with companies who make the decision to use one framework over another all the time. That chart inevitably makes an appearance and polymer gets rejected immediately. If you feel strongly enough about the framework, get them better marketing.