There's a difference between Tips and Tricks.
Why they are giving us advises how to win money absolutely for free - and by doing this they decrease their own profit, since the winning pool grows bigger as people follow their tips.

Philanthropists are at lose if they share their secret tricks to make money, They do that maybe just because they have made enough money by it and want the community to benefit from it, or, maybe for Reputation, Respect or other things.

Talking about Tips, I have been sharing good Gambling Tips on different forums and I don't know why I do it. I feel like telling others and advising them so that they can cut their loses.

Everytime I make a sports Bet, I tend to share it on respective threads meant for Predictions, It's to get some sort of validation.

But Honestly, for all the tips I give, there are barely a few people who honestly follow them, most of them forget them once they hit a red streak