There was a rake jobs:recalculate_trust_level_for_all_users, but it doesn’t seem to work anymore.
Is there a method to recalculate all trust levels with ‘updated’ parameters?
I changed the requirements of all of them, but users still remain on their previous trust level granted.
How about this method?
No. Perhaps not precisely what you’re after. 
Thanks Jammy, it’s not what I’m looking for but I ended doing something similar.
The issue is solved by workarounds 
I couldn’t see the wood for the trees at first, but this is the one I was thinking of: