Giving a bit a context here, it seems CirrusSearch jobs now do what they used to do in multiple jobs in one now (https://gerrit.wikimedia.org/r/c/operations/mediawiki-config/+/765577) which is triggering this double parse warnings. They are not technically a new double work but an old one being unearthed.
It's back to normalish values:
Wikidata ones are still triggering a lot of duplicate parses but I will handle them separately as they are not expensive at all.
On other good news is that this made cirrus search jobs much faster: