You could say the same thing about rangers regarding weapon choice (bows and xbows are basically reskins of each other). But it would be nice to get some spear skills for scoundrel, or let certain existing skills be used with spears (minus backstabs).

I'd say scoundrel is still pretty dynamic. It involves plenty of decision making and smart positioning (yes, you stand in more places than just behind enemies if the fight is challenging.) You can mix things up with grenades if you want. Warfare/Scoundrel hybrid is pretty tough, but battle stomp and battering ram can still be useful on a rogue for some extra cc, given rogues can bring down physical armor faster than anyone besides a raged warrior.

Of course, there's plenty more skills and mechanics to add to scoundrel to increase the variety. Mid-combat stealth could be a bit more useful (if Guerilla had some kind of unique mechanic, like piercing armor with status effects, that would be awesome). Would be nice to be able to pickpocket in combat or poison enemy potions. The mod in my signature lets you chain up attacks and use those chain stacks on finisher skills. It's a pretty common way to make rogues more interesting in many games, but it's still pretty effective and satisfying.