I don't think that prohibiting forum based giveaways is a good idea. The giveaways are in bitcoins, so this still have his place. Removing the activity points from this section might finally be a good idea. I went there, and what I saw is panicking.
Investor-based games is not one single bit better.
Nowadays, alomst every ponzi tries to attract investors with some kind of giveaways.
In those threads that don't have active giveaways running, you still see 5-10 people posting their addresses, begging for a tip to test the "program".
I don't know about this section since I did not went there for at least 6 months. From what I know, the betting sites organise prediction competitions (that I won yesterday by the way

) that we should keep. There's an obvious farming, but what about keeping them without any activity point ? Another problem come to my mind. The betting sites post half of their post in this section. Then, they would become something like Member while they were Sr. Member. I think that this should be taken in account.