Well, Kevy, the point of this thread is to show people how to try to get some money from the online casino, with no risk of losing any.
There are however lots of other places that do deposit matching and so on, and as far as I saw last time I had a look they're all scams. They all have hidden in their T&Cs that you have to bet it through x number of times before you can withdraw, and some of them I thought were deliberately vague in order that they can slap some even tighter conditions on you.
Because of that it goes from being a predictable mathematical exercise where you can to a very high probability calculate what will happen, to a gamble.. which defeats the purpose. Certainly if you're very careful you could manage to mitigate the chances of losing, however with the house's edge and having to bet it through 8 times for example then the bonus they give you is very quickly eaten away to the point where it's not predictable that you can safely make money.
On top of that, I'm pretty sure an advanced program could be written that would dish out the required %age of winnings, to users that show a propensity to gamble safely and keep gambling for a long time. By doing it that way the house could ensure that the winnings go to someone who will put them straight back in again, and avoid giving out a big win to someone who might walk away. The house makes a small percentage every time a bet is placed, the outcome of the bet doesn't matter in the long run because it's simple percentages. Because of this if they choose who they give the winnings to and when then they can have the maximum amount of money gambled, hence make the most money, without falling under their payout percentage.