How many of them ever did? I don't recall there ever being that many.
Then you don't actually read this or any other major bitcoin forum (ie: r/bitcoin) because they are absolutely full of people who blatantly discuss circumventing the law through bitcoins.
I don't. I use have my time and money invested in bitcoin legally. Some parts of reddit are as bad as 4chan in terms of content quality. There are plenty of people out there who have embraced an idea and made money without doing anything illegal.
Good, if you don't try to circumvent the law, and pay all due taxes on profits made through bitcoin, then I have no issue with you personally. However, understand that you are in the minority in this community.