A Barbarian that is regularly dazed, stunned or immobilized will feel very useless, soon.
Btw, what barbarian cares about being dazed? You can still charge. (And if you have the amulet you can ping-pong charge between enemies.)
The barbarian who wants to do something other than howling strike. They do have other things on their sheet.
Avengers fold like paper vs things that target fort. Moreso if they are ranged and do something nasty with that fort save, like immobilize.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.