I'm going blind into this series (I didn't read the source), so you can pretty much imagine how big of an urge to punch the screen Tobias is giving me. "Waaah, you're too tall!" "Waah, don't drink so much", "Waah" aaah sod off you muppet!
Work-wise Dahlia is clearly a one-of-a-kind artificer. It's easy to think "I'm going to reinvent [thing] in isekai!", but that diligence that she shows - researching things, thinking on how to solve issues etc. - is not for everyone. And yet it's what makes someone exceptional at a craft.