MIDI is - and should be with future standards - simple, slow and reliable: Musical Instruments don't need much/many volume/types of information, so writing the drivers should be fairly simple.
Having said that, some midi to usb converters are still not up to full compliance with the 80s MIDI 1 standard
Having said that, some midi to usb converters are still not up to full compliance with the 80s MIDI 1 standard