In France (a non tropical country with imported avocado), we eat them tender but not yet muchy, sliced in half, the kernel out and vinaigrette in the cavity left. The vinaigre balanced out the fattyless of the flesh. In other recipe, it would be mixed with something in small cube in a salad, as a spread in a sandwich or a cold sauce (in that case muchy) and they bring the fat of the dish.

Avocado straight out the fridge might have less flavor than if it sit for a bit outside of the fridge before being eaten. I never found avocado sweet but I only eat cheap imported one pick up before maturity.