when you understand trading very well you will prefer trading more than any other thing the reason why some persons condemn trading it is because they have not digest the rules and regulation of threading or acquire the knowledge of trading very well for they involved in the trading, everything you are doing have a risk but when you know it well the risk will be reduced for you,
There is nothing special about trading that should make someone prefer trading over holding Bitcoin. No matter how you try to paint it. Majority of the people that are involved in trading don't actually understand the potential in Bitcoin, because if they do they won't be gambling with their Bitcoin. Even the pros that are into trading that fully understand the rules and regulations of trading still get liquidated. So you are not safe from the high risk that's associated with trading, no matter the level of knowledge you have about it.
investment can take off whatever you have, because you may think that it is nice step for you to follow instead of trading but you might end losing everything so it is better for you to understand it very well before you involve yourself in any of them both trading and investment
When you invest in Bitcoin for long term, the possibility of you losing everything is almost zero. The highest risk that's involved in holding Bitcoin for long is that Bitcoin price will get to zero, and you and I know very well that it will take a whole lot before Bitcoin can get to zero price level. Even when the price goes down it will definitely come up again over time. But you don't have this guarantee of recovering your money in trading once you are liquidated. You can't compare the risk between long term hold and trading. In trading you don't have a second chance of recovering your money once liquidated, but in long term hold, you can always recover your money in the bullish season if you portfolio goes down during the bearish season.