No, the people at my ISP genuinely doesn't know about routers, or computers, or anything. I've seen them when they were at our house before (because unless they come to your house they don't believe you when you say something is wrong on their end (i.e. having the wrong MAC address in their system) unless they see it themselves. One guy even said "It's not working, see, those lights are supposed to be on....I think...aren't they supposed to be on?" "I had my laptop fixed and for some reason it's really slow now and that thing, you know, when I start my internet up, the page is different. I wonder why the page is different." (when he was describing his problem I came to the conclusion that they had reinstalled XP, and he didn't know why his homepage wasn't the same). They are basically PROFESSIONAL MODEM PLUGGERS AND UNPLUGGERS.
They aren't obligated to help with any of our hardware, it's just that if you don't get them to LOOK at your hardware they blame it for everything. They've convinced my parents to replace perfectly good parts before.
It all depends on the ISP, I do tech support for a local ISP in Ontario, and we're not like that. If you have a router, and your connection isn't working, and powercycling does't fix it, then we bypass the router. If bypassing the router work, then it isn't our problem. We will tell you it's the router, because that's the case, it is. From that point you can either decide to reset it, have a friend or family member look at it, or speak to the routers tech support (all suggestions we give). Velfarre, when techs go out to the house, it's normally not the same people doing phone support, and they would have different knowledge.
Edit: To sum it up, it's not our job to know anything about your router, or know much about computers (only the aspects that relate to your internet). Why should somebody care what the lights on your router are doing when the ISP doesn't give a shit about routers.