Actually in this year it is the middle tier of teams that have been responsible for most of the race-affecting accidents. In particular Maldonardo (Williams) an

Actually in this year it is the middle tier of teams that have been responsible for most of the race-affecting accidents. In particular Maldonardo (Williams) and Grosjean (Lotus). I've found the bottom tier of teams to mostly be harmless. Usually they don't end up finishing races but are a great breeding ground for upcoming talent.