Here’s the thing: you have an opportunity to turn the unknown high quality place into a well-known high quality place. You will have a bigger impact in a small shop than at Google.
If you don’t like your slate of opportunities as a new grad, then get out there and network with your cool friends.
There is the countervailing influence of social media upon attention. One area we overlook, however, is the affect of maturity on available attention. We mature, we assume the responsibilities of profession or parenting or homeownership or elder care… it adds up. Many of the “distractions” you mentioned were tasks that somebody needed to tend to. You’re probably just as capable of focus when you have available time, but now you have more to be accountable for.