Alternative to steps 6 through 17: refuse to use any webstore that doesn't allow for guest check-checkout.

Not gonna lie, this ain't wrong.

Just make a web browser standard for all of this this. I hate repeating myself.

Actually last time, I clicked on the wrong button on Amazon and the item have been ordered in one click. Obviously that wasn't what I wanted to do and needed to cancel it which wasn't a one click action.

I'm pretty sure we could make this into a satirical puzzle game.
You would defuse a connected bomb by remotely shutting it down through an awful mobile app.

2 seems simple, but every site uses a slightly different variation for opt-in, but every variant is based on your lizard brain being tempted to click accept. The sites that make you scroll through 938 'legitimate interest" partners to get the "reject all" option are particularly shit.

I know that 2FA is not that convenient, but it greatly improves security. Especially for users who use the same email password combination for multiple accounts