Yes
Yes
Everyone has different reasons for using a service like this.
All the information is inside of the Gitbook. I am specifically commenting on the professionalism of @Gediminas and the fact that the setup and documents are real and the process is what is says it is. Buying the service right now is indeed a stripped-down version, everyone has to decide for themselves whether the current state of the pro service is worth it or not.
I've read all the info in the gitbook and sounds great when everything has been implemented, but right now it's not much different from metamask or trust wallet.
I look forward to seeing it fully developed.