There are many without any knowledge about bitcoin, just have heard about it and the people who multiplied their money with bitcoin. They invest in bitcoin, wait and do nothing. For them bitcoin is a gamble.
If you think that bitcoin is gambling, then you are a dumbass who does not even know how does bitcoin works. No offense, but this kind of accussations towards bitcoin have been created more than 100's of times in here. There is nothing new with this.