Experience will not be useless even with games that has a house edge, with your experience you will be able to gamble with maturity. Once you win a considerable amount, you can make a clear decision when to stop, hence, you will enjoy your profit even for awhile as we all know we loses in the long run.
Yes, experience is too much important in all gambling games, even you are playing dice games or sports games but experience play important role in gambling. Because if you have good experience in gambling games then you will be more confident and when a person have confident then he will surely find good results.
There are actually 2 experienced people in terms of gambling - 1 is the type of addicted to gambling and has been gambling for a longer period of time and the number 2 is the once equipped with strategies and skilled. Call the latter as professional gambler.
There will be no meaning in simply sticking with gambling among losses. I believe addicted gamblers do this alone. An experience should be measured based on time duration but experience must denote how versatile on gambling.