Nothing like a rebuttal full of invective and bile. Remember to always insult with your rejoinder as it aids in your position.
@allane, keep in mind that there are no 1s and 0s. Would it be so simple if the simplified, textbook explanation were true. In the real world, the 1s and 0s are electrically represented and noise is a great big factor in its distortion.
Though this link deals with USB transmission, the thinking behind it applies to all transmitted data:
https://6moons.com/audioreviews2/audiocadabra/1.htmlJust the first two pages are all you need to read to get an idea to work with. And, yes, you can spend too much on better gear, but you can also spend too little.
All the best,
Nonoise