A few weeks ago, customers began pouring into Greenpoint staple Star Deli (176 Nassau Ave.) after a series of videos posted by Instagram creator @pov.outside unexpectedly went viral, amassing more than 4 million views. Google Reviews multiplied overnight and strangers from around the world donated more than $6,000 to repair the deli’s broken freezer.
Behind the sudden surge was Shuayb Qureshi, a software engineer at Meta by trade and champion of neighborhood businesses by choice.…