Can you clarify this or provide examples? That should not be the case at all.
As for the rest - yes, I know, and it’s unfortunate. You can definitely use SHIPMENT as the type of order as a workaround, while DELIVERY is still in the works. It’s one of the top feature requests (you can find it in the forums more than once, I believe), and the team is well aware that it’s a feature. It’s definitely not being hidden to make you pay for other services, it’s just not currently in a state to be made public, but there’s work being done to make it available.
Also, I’m still not sure what you mean by “sending a full order object”. As I mentioned before, the webhook will include the order_id, which you can then to just simply retrieve the order if you want the rest of the order…so you can get the full order object if you get the webhook.