Yes it is worth investing. Much better then playing. You will get lots of small payouts that will add to something a lot bigger and will be more enjoyable to watch grown rather then lose it .
No, no it is popular misconception about investing in bitcoin casinos. Do you really think you can't lose all of your invested money when you are investing in a casino?
You are wrong. I will take only 1 big lucky bitcoin whale to demolish a bankroll of a casino and take all your 'invested' money away.