Quite a few of those perks not being in other trees is because those trees are already full, to maintain balance and to make a utility build viable on its own. Otherwise you’d end up mostly with resolve related perks and make utility the tree you’d use the least.
An example of this is Battle Flow, which is good for the utility build, but gamebreaking for the offence build if made a part of it. Having it in the offence build would make the tier 3 perks way too powerful, especially in combination with berserk. You can use it with Berserk right now, but you need to actually invest in it and you’ll lack the destructive power of the tier 3 perks.
Agreed on Shield Bash and Student not being very useful right now.
