No, even that one is pretty fairly priced (it mentions combat brawl leagues using the set as well), and even then it's obviously intended for tactical squad usage where a decker isn't necessarily available. Half a million isn't unreasonable for such a system.
A team hacker can do a great job replicating it, but even then replicating all of the features of the level 1 PI-Tac will probably come in at half a million (the majority of the cost being the cyberdeck) for the entire team. The PI-Tac itself is slightly more expensive than a decker doing the job personally, but that's to be expected when the corp's tech is doing the work for you. So it maintains the advantage deckers have in that they can do it cheaper and can also contribute far more to the team, but offers the same advantages of the decker's coordination options for groups that might not have one (such as, probably, a lot of HRT teams).
So, I don't see a reason why shadowrunners would need this tech, but I can't say it's overpriced for what it does.