I absolutely support people's right to jailbreak devices they own and over the years I've jailbroken my phone or ipad for one reason or another.

Having said that, unless there's something specific you're looking for, it's not really worth the effort these days and has potential downsides.

The biggest downside is that you might find some existing apps on your phone can detect that the phone is jailbroken and refuse to start. There are obvious security reasons for apps like banking apps to do this but also many online gaming apps won't run if they detect that the device is jailbroken in order to deter cheating.

There's an ongoing arms-race between app developers and jailbreakers where jailbreakers try to avoid detection and app developers find new ways to detect jailbreaks. So a new jailbreak will probably not be detected until a few weeks or months later when the app is updated.

Source: I used to work for a company that makes phone software that needs to be secure and so would attempt to detect jailbreaks.