This is so funny because rust has one of the worst cheating situations and majority of their players are windows users, and theres lots of games that have anticheat that allows linux and have notably less significant cheating problems like marvel rivals. in reality rust doesn't take cheating very seriously because if they did they would have more server side software that detects illegitimate behaviour like tons of other games do successfully...... even most popular Minecraft servers have better functioning anti cheat that is completely server side than rust has while getting kernel access to your pc. its pathetic and lazy development tbh and this entire post from them reads like such extreme cope....
Sure you can, for starters audio is a lot less reliable to pinpoint location than video, so the server can randomize the position somewhat and still be accurate enough. Not to mention that sound bounces off walls, so it's not exactly wrong to give the point of origin of a sound as a wall nearby the origin or destination, and an even more advanced system could use ray tracing to calculate sound path and give you a fully accurate sound point that doesn't reveal the source exactly.
But again if you're not sending the bucket position until it's in FoV that doesn't matter at all.
It's not the end all, but it does take are of whole categories of hacks.
Still both can be calculated back to the source of origin. It may not be enough for a wall hack to reliably point out the enemies exact position, but definitely enough for a radar or proximity hack.
Edit: Your also completely ignoring the mandatory threshold where the server absolutely needs to send you enemy information already in order to avoid enemies popping into existence. The faster the game, the bigger that threshold.
And by all means, sound (in video games) is a pretty linear thing. You can only randomize so much, until players complain that it's not reliable.
In the games were talking about these kind of additional info or heads-up are an unfair advantage in competitive play.
The solution sounds easy, but I do believe that if it was, we would see it in at least some current games.