I can only see this going into a very dystopian path. Based on their actions, I don't trust these companies, their security practices, nor their privacy policies. Why would I give them my biometrics? And my full palm, at that!? Hell no!
This is Amazon One. Amazon is rolling it out pretty aggressively in their American grocery stores right now. Looks like it’s moved out of its pilot stage and is getting a national US rollout.