Drinking it black means you taste the full flavour without the bitterness being masked by milk or sugar. But for me personally, drinking esspresso without milk is only good if the beans are excellent, and brewed to perfection by a proper barista (a level of skill i have yet to truly attain - that's why i buy my esspresso instead of making it myself).
But a milk-based coffee drink like latte or cappacino doesn't require that level of quality, and would still taste really good. So for the home, i recommend making milk drinks yourself, with medium quality fresh beans, while you buy esspresso from a trusted barista/cafe that you know is using great (single origin!) beans.
For example, I used to have these shitty speakers, but I'd enjoy music very much all the same. Then, I got great speakers, and could hear all the nuances, but I enjoyed music the same amount, the only difference is that I now needed expensive speakers to do it.
From then on, I decided that ignorance in these matters is usually bliss, and avoid (for example) looking at OLED TVs as the blacks on my TV don't bother me, but they would start to if I bought an OLED TV and I could never go back.
If you're going to end your advice with "get used to it", do you really need everything that came before?