When someone outsources their planning and scheduling to Calendly - basically letting other people pick a time on your schedule instead of having a back and forth conversation about it - that service should penalize them if they get a meeting in one of their available times and don't join it.
Basic plans are free, so those should just get disabled until payment is made to re-enable it.
Higher tier plans should just have a fine, or rise in price.
This is something I want to happen, not an existing company policy, if it wasn't clear.
Calendly has no way of knowing if you joined the meeting or not. Even linking your zoom to schedule the call doesn't mean you'll actually have the call on zoom and not face to face.
Then, they actually want people to use their system and pay for it when they're ready. Being in a situation where the company says "you're not using this right, now pay us", would mean in practice that I'll drop that account and never want to interact with them again. You can't be hostile to your users.