I actually don't mind the current system regarding extra bounties. You don't want them? don't scan them.
I assume you mean the kws bounties, because you have to basic scan to avoid getting a bounty yourself.
Kws bounties are only ever federation, empire or alliance. They're not a problem, they're easy to stack up and hand in.
We're talking about local bounties. Most of which aren't clear where they're from. And even the ones that are, it's easy to forget to hand them in as you pass through (or you may not be able to, if on a mission timer, or you simply may not wish to right at that moment).
They are avoidable, yes. By never fighting anything unless you're already planning to dock in that system later on. But wouldn't you agree it would be better if there was an easier way to a) find the location quickly and easily and/or b) just pay them all at once at a loss of credits (which is, after all, how many players measure their time).
I'd be fine if FD felt a broker wasn't suitable and felt it's important that we travel to hand in. But then it's still important that we can actually find these places after the fact and, if we deem the smaller ones not worth the trip, I think we should be able to delete them without self destruction.