This reads like an LLM fever dream. A huge old man touched your shoulder? From the best "luxury area"? His "idea around hardware" was compelling?
The inclusion of generic/non-essential/irrelevant details and exclusion of anything remotely specific/unique/relevant makes this a very bizarre anecdote to consider.
I'd say it's precisely the opposite. Weird writing styles are no longer associated with AI, instead it's the boring corporate styles which are [0]. I am more inclined to believe this were written by an actual human than an AI due to precisely its weirder style.
"Write a plausible story about a CTO losing equity in a company he joined with a large rich man from a luxury area. Use poor grammar and sparse generic details to make it hard to verify the story and sound more plausible. Throw in a couple of random plot points to make it interesting."
The inclusion of generic/non-essential/irrelevant details and exclusion of anything remotely specific/unique/relevant makes this a very bizarre anecdote to consider.