This article doesn’t really acknowledge that for some people, tickling can be really painful. “without control or autonomy. It can start to feel bad or scary pretty quickly.” – This can just as well apply to restraining someone. Which is why I’m not sure I agree with the premise. Most things, such as restraining someone, hitting someone, hugging someone, we can sympathise with as kids and therefore approach the notion of consent with sympathy. But tickling is a very different experience for someone who can enjoy it vs someone who can’t.