Then don’t buy it…? It’s just an option if you don’t want to carry an extra device.

From what I hear it’s useful for traveling. You can have a phone and tablet in one.

Honestly the lossy compression algorithms are some real magic. The way video can be streamed over wireless networks at all is pretty astonishing and requires many orders of magnitude of compression.

If you ever have time, read up on how JPEG compression works.