As reported in this post, I would suggest to only add new browse tools to outputs that do not have a browse tool attached already when using the "Add All Browse" feature.
https://community.alteryx.com/t5/Alteryx-Designer-Discussions/Undesired-behavior-using-the-quot-Add-All-Browses-quot-feature/m-p/542920/highlight/false#M116906
Thank you!
Thank you for your feedback!
We're updating the Add All Browses functionality in an upcoming release to account for this and will update this idea again once this release is available for download.
Thank you for this idea! This has been implemented for the 20.2 release, available for download at http://downloads.alteryx.com/