It does not seem impossible to anyone who has watched someone use a computer for a few minutes... A bright green button from google pay saying "click here to secure your interest in this car" is easily mistaken to mean "save to my interested list" rather than "place a deposit on this".

We know how hard it is to even find the download button on a website: https://www.howtogeek.com/how-to-spot-the-real-download-butt...

You're right

We like to pretend that we are immune to that, but we've all made similar mistakes.

And there's an entire Internet of websites trying to trick us.