No, it's actually any aerobic exercise. Running, cycling, swimming, etc. Anything where you are breathing hard for your next breath and can't think about anything else but breathing.
What if the parent defends against your aggression? What if the parent uses a weapon to defend themselves? Are you really willing to murder a parent to enforce your ideal of universal vaccination? If you are not willing to do the aggression yourself, are you willing to pay a thug to attack the parent to enforce your ideal?
Maybe you think you are saving lives, but what if in the process of trying to save a child you end up killing the parent? Shouldn't your response be proportional?
I've had a great idea for changing recruiting, to allow managers to sort and hire based off psychometric testing, proprietary ranking algorithms, and financial guarantees, rather than looks or networking. However, #2, I don't really _love_ to sell, but I've done it (telemarketing), and #3 I have trouble focusing or finishing and rely on J-types for that. Also, I'm working on another project so don't have time.
You say you want to start with the perspective of the candidates, but are the candidates paying? Your real customers are companies. They are the ones paying. They are your customers. You will end up catering to them.
Embedded job listings (like AdSense) is a novel concept I haven't seen yet. It has potential.
It's meta - breaking the 4th wall - breaking your suspension of disbelief. Rick & Morty do it all the time. Kind of cheesy, but not a big problem, especially on audio book. I hope they rename the character too.