Thank you for your feedback.
The In-App News push notifications are the same as the In-Game News in the Orbiter and are not targeting the Companion app in any special way. We understand if multiple push notifications that may not be of interest, in a short period of time, can be bothersome. We'll take a look to see if there's anything we can do to improve our notifications in the future.
For now, there's the toggle in the Settings(-> Notifications -> News) you can use to only receive notifications about Foundry items and/or Extractors. Alternatively, they