"What should I choose?"

null > 0; // false
null == 0; // false
null >= 0; // true

"I want to be very clear: I believe AMP is a framework designed with good intentions, aimed at solving the very real problem of a web that’s gotten far, far too slow for its users. But using AMP? The cost for the web, and for those who do business on it, is much, much too high."