Yes the main problem is spending a Fighting Style and a Feat on Dual Wielding, and then actually using your Bonus Action for something else entirely half the time. Classes have many useful BA's (and will have more later), and Larian have now made this issue even clearer by turning Shove, potions and Hide into Bonus Actions, to name a few. That's why I wanted to raise the topic. Larian's changes have a ripple effect in the system and I'm not sure they care whole lot because they prioritize their own homebrew so much.

The second issue which is not apparent in EA yet is that Dual Wielding does not progress with levels. As martials get extra attacks, the worth of the off-hand damage decreases.