http://fodev.net/forum/index.php/topic,20617.0.html
Avoid decreases your chance of encountering and increases your chance to choose if you want to fight while searching increases the frequency of encounters and also decreases your chance to choose to avoid it.
No, its shouldnt be switched. Outsdoorman should have bigger affect on game than just 175 to cap support perks
Have you ever heard of a tracker so good he couldn't find any prey?
No.
This is the case in fonline, xp grinding with high outdoors takes longer than with low outdoors because you encounter less.