Well, yes, that's the idea behind TCP itself, but a "normal" rate of packet loss is something along the lines of 5/100k packets dropped on any given long-haul link. Let's say a random packet passes about 8 such links, so a "normal" rate of packet loss is 0.025% or so.

Once it makes it to the long haul links. Measure starting at your cell phone and packet loss is much higher than 0.025% and that's where QUIC shines.