There are a few reasons people might choose to drive static caravans, as opposed to other types. For one thing, they're generally much cheaper than motorhomes or touring caravans. They're also easier to tow and manoeuvre, meaning that you don't need a particularly large vehicle to move them around - which can be handy if you're not used to driving something big and bulky.
Another advantage of static caravans is that they provide a more 'homely' feeling when you're on holiday. This is because they tend to be bigger than other types of caravan, so you have more space to spread out and relax. They also usually come with more amenities than other caravan types, such as kitchens and bathrooms - which can make life a lot easier (and more comfortable) when you're away from home.
Of course, there are also some disadvantages to owning a static caravan. One of the biggest is that they can't be taken on the road with you - so if you want to explore different parts of the country (or even world), you'll need to leave your caravan behind. Additionally, they require a bit more work in terms of setting up and taking down each time you want to use them - which can be frustrating if you just want to get away for a quick weekend break.
Overall, there are pros and cons to owning any type of caravan - it really depends on your personal preferences as to whether a static caravan is the right choice for you. If you like the idea of having your own 'home away from home' on holiday, then a static could be perfect for you. However, if you prefer the freedom of being able to take your accommodation with you wherever you go, then another type of caravan might suit your needs better.