profiting from BTC is not a luck, you invest your money in it. You know the right time to buy and sell. if you don't invest in BTC and you are profitable from it, then you can now say is luck, but as long as you invest your finances in it. there must be good returns from the investment so is not luck. we all know without investing in BTC there will be no profitable outcome, just know when to buy that is it.
Making money by investing in Bitcoin is not something we need to see as long. There are many people that have pass the same part and have lost funds because they are not so lucky to have invested there Bitcoin when the price of Bitcoin was falling going to the bear season. We need to make the right investment at the right time so that we don't incur loses for nothing. Since we can make or lose money investing in Bitcoin then we should see it as luck.
This is not gambling that we could be lucky to win and be lucky to lose which could be based on a 50:50 ratio. There are investors in the market that have incurred loses this very time that profits. We all just have to check the pattern which we are entering the market and involving ourselves in cryptocurrency investments.