Who says they don't? they've listed the ways in the linked blogpost:

https://www.blog.google/technology/safety-security/ensuring-..., https://support.google.com/a/answer/7281227?hl=en, https://support.google.com/googleapi/answer/7394288#ensure-a..., https://developers.google.com/terms/api-services-user-data-p...

Certain people have determined to catch google in the wrong here even if that isn't the case so they are conveniently framing the situation and omitting key details.

Not to mention that having the user abdicate all responsibility to their actions in any situation is infantilizing and stupid.