If someone say there is no luck involved they are saying they every position they take is 100% winning. 100% success rate in all decisions, sort of like a risk

If someone say there is no luck involved they are saying they every position they take is 100% winning. 100% success rate in all decisions, sort of like a risk free investment, really no such thing. The people you hire, there is no sure thing they can build it properly. The marketing effort, no sure shot. Absolutely every decision you make involves some luck