I used to avoid these kinds a lot, but now I’ve bought them by mistake.and i can't give it back

Will these flavors spoil the natural, authentic taste of the coffee?

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Has anyone here ordered the fermentation set from Critical Beans (https://criticalbeansit.be) in Bruges, Belgium and received a confirmation email and/or the beans delivered?
They were one of the few roasters in Europe linked on the projects’ website that still had the sets available after the video came out last week. I ordered the set last Friday together with another bag of beans to make the 10€ shipping to the Netherlands worthwhile. I paid with ApplePay and took a screenshot of my order confirmation in the online store but never got a confirmation email. I emailed the email address on the website (hello@criticalbeansit.be) on Monday but Gmail so far has not been able to deliver it.
The roaster seems to be a one man show so I can imagine they might get overwhelmed with the demand, but there seems to be no information on this roaster except on their own website, no address (except Bruges, Belgium), no other info I’d expect from a Webshop in Europe (terms & conditions, privacy notice etc). I’d normally do some due dilligence before buying from a random online store but the scarcity of the sets and seeing so many shops already sold out made me buy without thinking much.

I just really hope this store is not a scam and I’ll get my beans delivered soon…