Google Analytics 4 now allows you to change the attribution model on the entire resource level. Changing the model can be applied not only to an individual report, but also affect the conversion value of all reports.
To change the attribution model, select the "Attribution settings" item in the account navigation menu:
In addition, service users will be able to change the retrospective analysis period for the entire resource. This is done on the attribution settings page:
The only caveat is that only users with administrator or editor rights can make these changes.