Gambling is designed to make money for the house owners and not a cashcow for the gamblers, the longer you stay that chance that you'll be losing your money to the point that you'll be empty handed if you don't know how to control.
You are absolutely right about that, you have given a lesson in just these two lines , even so when we change games what we are looking for is to see if We can win something with another , but it must be done responsibly and if you play quickly it is better , and without betting so much money, Sometimes you can be tired of playing a game and you change to change the environment, which Usually refreshes the mind a little.
part of entertainment and enjoyment if you are just aiming for that leverage then changing games may give you that satisfactions, but in terms of aiming to win as you are suffering from the previous game that you are playing, the chance still slim for you to recover back those amount that you lose from the usual game that you played.
Nothing is sure about it part luck part timing when you place your bet after changing game, there's no guarantee at all that you'll surely win.