Exactly what i was going to ask.
The Thumb sent out a newsletter to shareholders this week (after Amazon's comment by coincidence).
There isn't minute detail of the financials, but to quote from the opening paragraph: "Our sales figures are above what the pub was doing last year for the same period, which really is a fantastic start!"
I am going to assume the period they're comparing did not include after the pub's closure
As also mentioned by Amazon, the owners of the Spring Gardens (and of Fool Hardy ales and of the Hope Inn) were a couple.
As they stated on Twitter and Facebook in January:
"Yes, me & Sam have split up, the reason for this post is because I am already fed up of hearing rumours! We will still be working together for the sake of the business and staying friends! On that cheery note, happy new year!"
https://twitter.com/foolhardyales/status/948640989543092226Maybe that's a factor. Maybe it's not. It happened quite soon after the split - maybe that's a factor. Who knows? Well, someone does but it's not me.
I do severely doubt it's related to the Thumb. The two pubs co-existed previously, and sensible heads wouldn't make rash judgements on sales based on the latter re-opening for a relatively short period of time.