1) Create a batch of patched files so that writers can replace the badly rendered multiple-snippet bars.

2) Store them somewhere online and accessible for all.
https://drive.google.com/file/d/1jyUw9q-t2uqlOoceLXY9q124Hvy8bbkB/view?usp=drive_link 

3) Have a system to check for the file changes.
tig 3.2..main src/main/asciidoc/_includes/devtools

4) Create a script that will automate the whole thing, thus, the above steps are just as a back up.