Then yes, SF/Silicon valley is the place for such things. Don't know about NYC
You could not attend half of the tech meetups in NYC. Columbia, NYU, CUNY, Cornell, SUNY Stony Brook -- Boston is a 30 minute shuttle flight from LGA -- indeed the whole Ivy league plus CMU, MIT, Northeastern, BU &c., are handy, so a lot of innovation is going on. And most of the money is here.