There are lots of wildly profitable enterprises that we regulate or make illegal.
If everyone else is selling boiled orphan elixir, you'd be leaving money on the table not to boil yourself some orphans. But maybe we decide that boiling orphans isn't an industry we want as a society, and legislate consequences for doing so.
I'm sure someone's thinking that, and it's a bullshit rationalization. Don't turn yourself into a villain because you think someone else might beat you to it.
Also, if true, it's a stark indictment of capitalism, and how it pushes people towards malign and harmful activities.
Technology is not linear. There are many paths it can take.
Your contributions are somewhat unique. To a certain degree, if you don't make it, no one will.