Submit a message directly to TPCI telling them you're disappointed with the culling.
The more respectful you are the more likely they are to listen, you can keep rageposting here though.
Here's a link:
https://support.pokemon.com/hc/en-us/requests/new?ticket_form_id=360000019993If you have any traditional social media accounts like Twitter or Facebook, you can also post your feedback to Pokemon's official accounts.
It's pretty unlikely we get a developer as stubborn as GameFreak to actually listen to community feedback, but it's worth a shot.
Good luck fellas.
