1. its a matter of luck...u can be banned only about 5 times and have hw ban or about 20 and still dont have it...and they dont give out ip bans anymore...
2. u must have a undetected pc...
3. just by the name of a trainer can get u banned...
4. havent noticed yet...
5. no1 actually knows...if he didnt make an annoucement about it no1 can know...