Hawcall
a slight flaw in your argument.
The building becomes the responsibility of the OC after the first AGM. Prior to thst it’s owned and/ or under the control of the developer.
The owners have no formal body, nor a consensus to instruct the developer prior to the first AGM.
The first AGM is held after the strata is registered, which occurs after an occupation certificate is issued, which requires compliance with councils DA conditions ( including plantings)