> As a small revenge I always use an absurdly old birth date on these forms. This way if they are collecting this data, my input will be discarded or pollute their datasets.

Or the micro-frauds get detected, linked to your credit card & email address, your identity, and credit rating. Before you know it, your transactions are failing fraud checks, you can't get loans, and BigTechs unilaterally cancel your accounts.

I exaggerate, but I fear we may be heading in that direction.