So if you have a high overall it won't effect the amount of points you gain or lose because you are only taking into account the overall of your opponent??
Yessir.
Could you in theory go pro hunting to just gain points off higher ranked overall players?
You can, but is that a bad thing? Will be hard enough to win 50% of those games. I think it's pretty balanced, noobs are still worth quite a few points, while at the same time, pro players may not be shy anymore when it comes to playing fellow leets
What are the point differences like if random00 loses games against players with a lower overall/season?
It depends on where random is at in the season. At the very start of the season he won't lose many points (as it would be 1000 vs 750). Later on, when his season rating is at 1400 or so, he may lose a whole bunch
(as it would be 1400 vs 750 then; the number of points he loses then is fairly similar to the points he loses in the current TUS system).
Shouldnt in theory i deserve to win more points off random than csongi because he is of a similar skill level (from his overall being closer to randoms)??
Depends on how you look at it. Your performance is more special perhaps, as it isn't as expected.
But when you start from scratch each season it is inevitable. For example, it may be more worthy for Australia to beat Brazil at the World cup than it is for Spain, but if you give Australia 6 points for it, and Spain only 2 points you'll get a very weird world cup don't you think
The way I see it is that you and Csongi are equally good when you both manage to beat Random. You should not be higher in the standings for achieving the same result as Csongi. It's perhaps a performance that is worthy of more praise, but it doesn't make you a better player than Csongi is. And that's why I feel you both should get the same amount of points.
(this is only at the very start of the season btw, if Csongi has a higher score this season than you, he won't get as much points added anymore).