Thank you for this.
I have not seen this Survival Guide but I have viewed other SMG videos and have found there is a lot of good information that does not appear to be available anywhere else.
I know, SMG documentation is weak, incomplete and needs a lot of work.
Nevertheless I remember some videos which have been published in 2016 when the first Gwava7 packages have been released.
Start with this one:
I think there are 17 parts of this "Survival Guide" ...