Yes, this is technically true. However, I'm not sure how good of a fit it really is for a Inquisitive. You only get a single shot, instead of multiple, and you lose animation time as well. I suspect it's still probably the best single button attack you can pick up outside of Inquisitive anyway. However, I think the real loss is the rest of the DWS tree - For a similar number of AP, you can snag the following from BE:
+5 hit
+6 damage
15% doubleshot
+1 int
+3 imbue dice
And a variety of crit bonuses as well. On top of that, you pick up a solid AoE - something *desperately* needed, especially early in heroics when you have no other AoE. You do lose some HP and PRR compared to DWS, though.
Evasion is huge, I agree. My point is not "this build is bad", my point was "if I wanted to tinker with this build, what are the most important things to keep?" Evasion and feats seem to me at least to be the most important things the build gets from 9 levels of Ranger, so if I'm looking to change the level splits, I need to assess the value of that. Mostly I'm looking at something like 4+ Artificer / 2+ Rogue, which gets significantly more damage, better self-healing, and keeps Evasion, at the expense of Empower Healing and a lot of hit points. The biggest benefit for me, honestly, is that I hate leveling without AoE, and as is the build didn't get any until level 12 with IPS. Now with the changes to Shoot Later it does unlock some AoE earlier at least.
Why do you recommend skipping dual shooting? It's just double damage now, especially with the removal of the Doubleshot penalty. Sure, there are a few abilities that only work if you're not dual shooting but I am skeptical they add up to the damage output of dual shooting.