Earlier quoted context omitted.
Availability is definitely a factor, but I feel that a far more important aspect is that a YouTube feel is personalised. It's A/B testing you for weeks on end, and has a pretty good idea of how to get maximum engagement. TV was never this targeted, nor was there feedback to ratchet up what it suggested to you.
Kids don’t stand a chance against decades of data/research and billions of dollars weaponized against human psychology to garner as much of your attention as possible at all times.
At least, most well compensated.
Shame on you, if you work for these organisations.