BTC is what you should get, you could either trade for the long or short term, it will always rise particularly in the Bullrun season. For the other coins, he mentioned it's going to be good as well but no development of them will make the price drop. ETH for instance isn't very progressive due to high fees and the miners are not approving a development for reducing transaction fees. BNB is doing great because of its BSC getting traction for projects are also migrating to its chain.