Even though 1% loss is relatively common, it is a catastrophic amount of loss, and goes to show the miracle of TCP. 1% loss does not mean 1% less goodput; it me

Even though 1% loss is relatively common, it is a catastrophic amount of loss, and goes to show the miracle of TCP. 1% loss does not mean 1% less goodput; it means substantially more than 1%. TCP's (and QUIC, and what-have-you) control packets are also subject to that loss, as are individual packet fragments - the probability of retransmissions explodes.