Yes Binance is a big player in the crypto industry but assuming that would lead to increase in the price of bitcoin is same thing as  saying a McDonald opening additional retail store overseas would increase the price of flour used for doughnut across the world. It does not follow that pattern. What is going to happen is Binance is making a platform for those who felt left out or who are carrying out their trade via other platforms to start patronising and also to see if they can get some fresh people into crypto by their own effort which eventually primarily increases their own bottom line. If the ripple effect led  to an increase in bitcoin price, that's is simply a bonus.