Yes, bathtubs are great for long, exhilarating baths and for people who have children. However, if you are living alone and want to maximize the space for your bathroom, then having a bathtub is not for you.
Bathtubs are quite delightful to the eyes compared to showers, but if you are living with older people, tubs are not the best choice. Bathtubs are usually deeper than you expected. Senior citizens might have a hard time getting in and out of the tub, especially if they have injuries or weaker joints.
Filling a tub also requires much time. If you have a lifestyle that is always in a hurry, then having a bathtub is not for you. Compared to a shower, having a tub can be a source of a higher water bill as it requires more water than having a shower. And if you want hot water, you need to have a water heater system in place, which also consumes significant energy.
An alternative to the bathtub is a shower. More and more American homes are having showers rather than tubs, and if you want a bathtub to shower conversion, this Duracare Baths infographic will show you the things you need and how a conversion is done.