I'd suggest that you get on with it then !
There is nobody here from Apple. They do not read our posts unless it is reported for a violation of the ToU. We are just users like you and can do nothing for you. We have no insight into Apples future plans.
The only way to communicate with Apple is via feedback here
http://www.apple.com/feedback/
Its always 'someone' has to do something - if you think it might be commercially attractive then feel free to develop one. But bear in mind that modern airlines are already moving to snowflake codes on smartphones, doing away with the need for paper boarding passes. Printing is no longer needed .....