Experiencing 4:3 media stretched to 16:9 sucks, but I take psychic damage whenever someone tries to do something cool by watching 4:3 media on 4:3 displays, but the 4:3 media is being streamed in 16:9, resulting in a squished image, and vertical black bars on 4:3 displays are also just so cursed to me. It's the last place they should ever be.