Now I'm in two campaigns and running a third. So you could say I decided I liked it.
D&D is the literal definition of escapism and living out your fantasies that video games try to be. The difference being, of course, how much more finely you can control that in a tabletop setting. You aren't bound to set actions, map edges, and unbending rule sets. Your character and their actions exist completely as you want them to, within a world that is just as dynamic. It is truly an open world, which is amazing.
Luckily for me I've had a number of experienced friends around to guide me through the process, and resources like DnDBeyond have been immensely helpful. That website auto-populates all of the choices available to you based on the other options you've picked, so it's pretty impossible to miss something. Don't like how it's coming together? Just go back and change the selection and everything will update accordingly. Coupled with pages that explain what everything means and some friends who can share their experiences about how things work in reality you've got a pretty solid foundation for making your way through creating a character and starting to play.
Have you played D&D or another tabletop RPG? If you've thought about it but haven't tried it, what's holding you back?