The ability to taste and smell isn't something you can read about in books, it is something you need to learn by doing. You need to actually eat and drink and smell in order to save that experience in your memory.
What if you leave out the espresso machine, the grinder and the water kettle in your coffee shop? Could you still call it a coffee shop? Me and my colleagues at Good Spirits set up a pop up cafe just like that, delicious coffee without the equipment.