Partly it is easy because there is little risk. Trading you can fill up your hold with expensive goods. If you think about your trading career how much would being fleeced by a pirate, possibly with a excess insurance fee to pay, of set you back? Even if you were smart enough to have cash to cover the excess it puts you back quite a bit of time. Plus NPC interdictions will become a bit more challenging I'm sure. I haven't even invested any of my profits in ship modules to protect myself.
So what most of us are experiencing at the moment is a perfect run which will be less likely even if profit margins aren't changed.
So what most of us are experiencing at the moment is a perfect run which will be less likely even if profit margins aren't changed.