Suggestion on how to discourage deliberate crashers:
The person who crashes - half points for that race, not eligible for the fastest lap bonus points
Team - also half points and not eligible for fastest lap (even if the teammate got fastest lap, would count towards the teammates individual score, but not team).
Repeat offenders (ie someone who has caused a deliberate crash in 2/3 races) are first off banned from qualifying, so they must start from back, if they carry on banned for a race (ie team is only allowed to field 1 driver)
Just a few ideas, a little harsh yes, but it should stop people who throw it in hoping for the best. If there is an accident like this, the replay should be saved, then the team leaders decide on if a penalty should be given. (borderline crashes for example could mean the team and driver keep points, but a time penalty in the next qualifying session)
ATM.it doesn't state any penalty for crashing, just it is prohibited if intentional.
Although if you or anyone else has an ideas, I'd be happy to support them too.