Looks like a bunch of people (I’m guessing non-parents) disagree.
I am a parent and disagree. Surprised myself at least twice by arriving at work and seeing her still in the seat while grabbing the sun shade. Could have sworn that she had been dropped off both times.
People aren’t perfect, and something being important doesn’t mean people suddenly become perfect. The fact that it is as rare as it is now is a sign that people take it seriously, but people make mistakes no matter how important the thing is.