Just because someone suggested a possible scenario could happen and it then did happen isn't all that suspicious to me.
Of course it might be genuine, but there's also a history of r/LegalAdviceUK getting a number of creative writing exercises. See this post: https://old.reddit.com/r/LegalAdviceUK/comments/1loyctr/rage...
On Reddit? It should... These were historically almost always made up after people looked into it.
To be clear, the picture is likely real. The backstory to it probably not.
The people that actually feel like they've had the episode would almost certainly not go on social media with it. The venn diagram of people sharing such content, having the money to buy such a gigantic smart fridge and suffering from schizophrenia is miniscule