Most of the people here are bored in their houses when the lockdown are so tight and they are thinking a way of earning money while enjoying themselves and I guess if they just knew this they might take this on.
Another factor is simply desperation, it is known that when people do not find a realistic way to pay for their debts they are going to take more risky decisions and gambling seems like the perfect opportunity since you can get a lot of money with a small amount of capital, it seems to be too good to be true and it is but when people are desperate they will do anything for money.
And as we know due to this pandemic tens of millions of people around the world lost their jobs and without a way to pay for their debts they found in online gambling a possibility to do it even if we know over the long term this is not really a solution.