That is a very oversimplified way to describe making coffee - and thats just for one method of brewing.

You have so many variations of brewing like pourover, drip, french press, espresso etc. and each of these methods has a ton of individual variables that affect the final product ranging such as water temp, bean freshness, grind coarseness and much more.

I am certainly not a coffee expert (I'm too lazy to actually dive into the world of craft coffee I just drink the free coffee at work) but I do enjoy espresso when I am out and love reading about coffee/brewing