Earlier quoted context omitted.
The PR is titled "Sputnik V statement", is from the "Sputnik V team", and says "Powered by The Gamaleya National Center" at the bottom of the page.
The "Sputnik V team" is the not the Gamelaya research institue, again the article you cited says they are affiliated with the Russian sovereign wealth fund. "Powered by" is weasel word 101. When you see a website where it's written "Powered by NodeJS" does that mean the website literally is from NodeJS?
Tackle the problem seriously, sort out the manufacturing process, and the world will have one more weapon in the fight against COVID. But if the response to every piece of bad news is "hurr hurr political fake news", then nobody will trust Sputnik-V, and quite rightly so.