By literally ignoring it once it's clear that the excitement has passed rational expectations (of course where that line is is subjectively up to you).
I'll watch a trailer or two on something to know if the pitch from them is something I am intrigued by. I then look into news if it's something I know I want to know more about, but ensure as to keep expectations tempered. I at least want to be sure that a game I'm interested in will somewhat turn out to be exactly that and not something completely different. I have played a ton of games and have observed the gaming industry more thoroughly than your average mainstream gamer for years - it's on me if I make stupid expectations for myself based on nothing but assumptions or if I blindly believe the words of any developers and PR without some fact-checking.
Also I just generally don't engage with gaming communities in social media or gaming sites AT ALL until after I have gotten and completed a game that I was waiting for. I'd rather my playthrough be as pure as possible so that I can formulate an opinion that isn't being influenced by potentially overly-sensitive community voices. They tend to poison online discussions time and time again with views that are generally extremely negative or positive (both are honestly bad to me for different reasons). This site for me has tended to fare better than most, but it still gets some of that which is sad to see but not unexpected.
Crossing fingers it will be good. I generally don't let hype mess with my expectations and am genuinely interested in what the team wants to pull off with this game. Shadow of the Colossus is one of my all-time favourite games and I hope they can achieve something great here even if some aspects of the game turn out to be dated due to its development history.
At the very least I'm hoping for a memorable soundtrack from them like their last game's soundtrack. The Shadow of the Colossus OST was truly magnificent to listen to.