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I’ve noticed that when my credit card number changes, the only automatic payments that transfer to the new number are unwanted services.

I wish I could just autoflag anything that is set to survive a credit card number change as fraud.

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The card networks actually provide this service (it's called a card account updater) for a small fee to merchants/payment gateways/etc, so the ones that are transferring are doing so with your card companies help and to the card companies benefit. I wouldn't expect that to go away any time soon

Why does your number change so often? I’ve had cards for decade or more that hasn’t changed.

That's probably not good. Getting a new card every few years lowers your exposure to fraud, as it's just a matter of time before it ends up in a card dump. The whole system is pretty terrible, but limiting the window during which fraud can occur for your card is a small mitigation.

Any time card fraud is detected & confirmed, or reported by you, you get a new number.

Consider yourself lucky.

Though the issuer may or may not invalidate tokens issued against the old card, and so your unwanted subscriptions often continue forever.

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