Hi Mike et al
Yes you might be a touch paranoid, you have Time Machine, run a few tests with the stored data and you will see that the results are indeed random, day or night. This is why you can't beat them with any single strategy, especially as the odds are set just below ( or above for the lay bet ) the actual real value then you deduct commission.
I have experienced moments of terrible bad luck, but to be honest also amazing good luck.
Except for the Poker games (due I think to the app), you will see a little action on some of the turbo games, except for Omaha Hi, during most evenings, so it is most unlikely anyone has worked out a always winning strategy, they would be here all the time.
As you have seen, there is very little activity on this forum, except for the Russians, indeed there used to be a Betfair games forum as well where strategies were suggested and discussed, and yes I think a lot of people have now given up looking for easy money strategies that aren't there.
Good luck.