B is / will be huge; the largest amount of "mindless" content is consumed on phones, with half attention, often with other distractions going on and in between doing other stuff, and can be watched on older / lower fidelity devices, slower internet connections, etc. AI content needs high resolution / big screens and focused attention to "discover".

The truth is... most people will simply not care. Raised eyebrow, hm, cute, next. Critical watching is reserved for critics like the crowd on HN and the like, but they represent only a small percentage of the target audience and revenue stream.