I've done a fair sum of game streaming. Latency really, really, really matters for interactivity. It's not like 10ms off we're talking here. Streams can drift r

I've done a fair sum of game streaming. Latency really, really, really matters for interactivity. It's not like 10ms off we're talking here. Streams can drift really far out of realtime, I've seen 20+ seconds and that's on top of pre-designated stream delays. Beam also is a lot more friendly to high quality video streamers.