TRMNL has said things about providing the ability to hack your device or bring your own device and followed through. They’ve taken concrete steps.
The Google motto was more abstract. After they promised that what concrete steps did they take to show follow through?
People are unreliable. They change their behavior based on circumstance. The person who posted the pledge may well mean it right now, but then some things change and it all goes out the window.
Even worse is that companies change hands. The old owners sell or, heaven forbid, the previous owner dies. When companies change owners, all previous promises have no meaning.