Of course, if things worked that easily, we'd only have to strike a match to get things moving. Though the urge behind it is simple, making the magick do what you want takes more. Our minds have evolved considerably since those ancient times. Our magick must evolve, also. What makes candlemagick so popular is its simplicity, availability, and adaptability.
Candles are easy to get and use.
The ways of using them are flexible. They can be adapted to almost any tradition or religion. They can be employed for almost any intention. Candles gain access primarily by their fiery symbolism. Other means are used to control and direct the force.