[Dismas]

With pi hole you have to go trough couple of hoops to get it working when you're out in about, not connected to your home nettwork, updating the hosts file is a simpler solution.

Imagine having to update the entire browser to fix/update the adblocker script kekw

I'd say updating everything is a must, including your Pi.

Of course, but you're not going to be updating your stuff every day...

In a typical setting, I'd imagine you don't have to for your browser either. That said, many people use both as Pihole only targets DNS.