Doesn't mean he isn't right.
Maybe, but he should do some research on Bluetooth before making recommendations. It appears that Bluetooth 5.0 may provide support for higher quality audio.
From Wiki: Bluetooth 5 was announced in June 2016. It will quadruple the range, double the speed, and an eight-fold increase in data broadcasting capacity of low energy Bluetooth connections, in addition to adding functionality for connection-less services like location-relevant information and navigation