I don't see a way to opt-out without plastic surgery.
Make storing personal data like storing hazardous material. Something you absolutely avoid if possible, and treat with extreme care when you absolutely must store it.
Unfortunately the users of this site would rather tell you to move to the woods, go off grid, and paint dazzle camouflage on your face before admitting that a solution has to come from society rather than the individual.
Not only we have (non-compliant) consent flows that destroyed user experience everywhere (without improving privacy in any way, since again they're not compliant and not actually designed to give you privacy), but the lack of enforcement means companies can now claim various things as GDPR compliant, knowing full well nobody is going to actually examine this claim (and if they do, the resulting consequences will be negligible) to give their users/customers a false sense of security.