Are videos "Digital Products" under In-app Purchases?

E.g in the Cameo App, you make an offer, if the celeb likes it, then they make a custom video. It doesn't look like "unlocking gated content" to me, but more like a content market place🤔 I mean you cant unlock something which doesn't yet exist!

It has big implications for whether a custom video is paid for by IAP or 'other payment methods'.

An experienced developer suggested I use a Stripe component instead of IAP.