Many manufactures make it easy to unlock and root your device (shout-out oneplus), but many others do try to make you brick it if you try doing anything out of the ordinary. Like the HMD rebrands Nokia, Sharp, etc.
You can get the same backups you would have if you never rooted it to start with. I agree in some cases that's not enough but it's not no backups of any sort. Mostly just more hassle to restore.
Of course, everyone requires a wipe. That's to protect normies' data when they inevitably get their stuff stolen on a trip to Paris. Easy to live with, just root it first thing after unboxing.
Many manufactures make it easy to unlock and root your device (shout-out oneplus), but many others do try to make you brick it if you try doing anything out of the ordinary. Like the HMD rebrands Nokia, Sharp, etc.