> people might overuse them ... cliffhangers and sequels

I once heard some try to understand pornography addiction by asking if it was comparable to a desire to eat a lot of lemon cookies. To quote Margaret Thatcher, "No. No. No."

> Where do we draw the line

Just because it's hard to find a principled place to draw the line doesn't mean we give up and draw no line. If you are OK with the government setting speed limits, then you're OK with lines drawn in ways that are intended to be sensible but are, ultimately, arbitrary, and which infringe on your freedom for the sake of your good and the public good.

> trust adults

Please do not forget the children.

> You can't legislate intelligence

Your implication is that people who are addicted to TikTok or anything else are unintelligent, dumb, and need to be educated. This is, frankly, an offensive way to engage the conversation, and, worse, naive.