Maybe it's because lossy codecs are designed for smooth transitions, which PoP videos don't have?
For example, look at the videos here: viewtopic.php?p=12715#p12715
Code: Select all
ZMBV (bytes) OGG Theora
backstab2 66 230 292 226
guard_gone 45 252 164 110
guard_survives_chomper 71 592 343 318
guard_wrap 69 174 193 841
immortaldrop_guard2 69 490 266 418
spike_2 70 380 193 399
tapestry_disables_guard 45 270 138 442
throughfloor_opendoor 130 364 590 423