Hi @Nquilf and all,
Thanks for following up on the HubSpot Community about this.
I understand that maintaining duplicate assets isn’t a workable long-term solution.
When checking the Idea that @karstenkoehler shared (thanks so much 
) " Allow per-contact control of email open & click tracking (re: France & Italy compliance) ", I’m glad to see that it is now in Development!
Here is the latest update from our Product Team:
"I’m happy to share that we are actively building a consent-based tracking solution. The plan is a new “track by consent” option that introduces a new email address consent record that will govern whether a tracking pixel is inserted at send time - no manual action required on a per-campaign basis. The property will store the metadata required for compliance (timestamp, consent source, method of collection) and will be the source of truth the backend evaluates at the moment of send.
We’re still in the scoping phase, so I can’t commit to a delivery timeline yet, but this is a top priority and we’re moving on it. In the meantime, keep the feedback coming - I’ll be monitoring this thread closely and will post updates as possible. Thanks!"
I’d recommend clicking on the “watching” option on this Idea so that you get notified of new updates, see below.
I hope this helps!
Have a wonderful day!
Bérangère