Broadband is broadband, the only relevant thing to discuss is customer service.
Vodafone support didn't know what port forwarding is, then told me they didn't support it. It's a basic function of the internet, so they definitely do. 0/x, they focus more on dumb rebranding than actually providing internet services.
Why is customer service important? In the last 20 years I've had to contact my ISPs customer service precisely zero times. What do you talk to them about?
The product is doing it's job. They're not bugging you trying to up sell something, or overcharging when their plan changes and leaving you on the old one. And you never have to talk to them, that, is some top notch customer service right there.