You MUST be an engineer or scientist of some sort...very impressive discourse!
It’s less engineering than putting together some existing technology, though if you like attention to detail, amateur brewers love to talk about their home brewing. I do wish some entrepreneur would construct such a machine, however. A good quality, retail version.
A good business, because besides selling the machine, you can also sell the ingredients.
The bit about bottling your own came out of the days of prohibition, when many people became expert at home brewing and bottling.
I was told that one of my relatives had brewed and bottled himself some good beer, that was happily aging in his basement on a warm, summer afternoon. Unfortunately he had added just a bit too much sugar to the bottles for that extra little bit of foam.
Just as the family sat down to supper, beginning with some potato soup, they heard a distinct pop! in the basement. The bottler froze. Then pop! pop! pop! pop!, etc., as he got a very unhappy expression on his face.