I agree with DaveGlanville and hope Microsoft takes the following at heart:
Do Microsoft actually run their ideas past SharePoint admins at "normal" organisations? I'd happily take part in such a panel or vote in a forum as to what the real world sees as priorities for development. I'm aware there are ways of voting for features and fixes but that tends to be to resolve existing issues raides by users rather than voting on solutions that are instigated by Microsoft don't seem to address a real problem.
A lot of the latest features and improvements look to be aimed at scenario's that don't apply to 80% of the tenants and its users. In this specific feature it would indeed be great if images could be taken from the organisation library. And it would be even better if this could be limited to specific permissions and/or could be turned off. Also, if you'd take a look at another change, co-authoring, that's also something that in reallife scenario's is almost never used for a SharePoint page. Maybe in huge organisations, but even than I doubt it would be used a lot. Pages are no Word-documents and are mostly authored by one person at a time.
Why don't focus on things as:
- Improvements to the new look of SharePoint lists, specifically return the drop-down for views.
- Power Apps support for content types.
- Json support for multiline text fields.
- More styling for tables.
- Let inserting images always choose from the image selection screen where you can add images by organisation assets, web search, site asssets etc. Some image selectors still only let you upload straight from the PC, without the ability to choose from already available sources.
- Create a dedicated content type for news pages, in stead of the currently (mis)used site pages.
- Enable recurring events for modern calendar.
- Print support for custom Power Apps list forms.
- Make it able to disable image tabs "Web Search" and "Stock images" when inserting an image.
- etc.