OK, I'll re-join the discussion from 2013 and maybe Raokman can end the day less disgruntled and with some useful food for thought.
First, BI cannot be just pretty graphs. The visualisations are the output for the end users and are important, but they are the end result from something that we should not expect from transactional systems: accumulated data gathered and optimised optimised for the purpose of reporting.
e.g: ERP picks up an order and turns it into a bill of materials; from that into a stock entry and from that to a sales invoice or whatever. If you need to plot trends and gather data for future analysis, you'll want to store all the statuses and their transitions. You cannot lose orders when they are turned into invoices. That's why you use a BI and datawarehouse setup of some sort.
You haven't seen dashboards and KPIs in action? I doubt it.
Have you phoned a company to hear "you're 4th in line, we expect to take your call in 8 minutes"? That's past data being used to guide current use of business resources. As a customer, I like that.
Have you seen MacDonalds queues with order numbers from preparation until "ready to collect"? I bet there's a more detailed dashboard on the kitchen side.
Have you seen "Track my parcel maps" like that one used by DPD? "you're delivery 60, your driver Sam is doing delivery 48 and will be with you in 30 minutes". Past data being used to estimate future performance, plotted on a nice map. Can you see this being used by middle management and operations people? I can.
MY favourite: watch a NBA game. There's usually a ticker at the edge of the screen with useful bits of info. Things like "when Toronto Raptors score fewer than x points in the first half, they go on to lose 7 out of 10 matches". Do you think it was a particularly insightful commentator that came up with that, or was that BI-supported? Do you doubt that team managers and journalists also use that kind of data?
As for the built-in reporting capabilities in NAV, they exist both for users that read the manual and for the "SQLuminatti" ;) That's why there's a market for 3rd party add-ons that are meant for day to day users. If you feel this only happens with NAV, you must have overlooked that a number of ISVs sell their BI and reporting tools to buyers of other enterprise software.