These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
YMMV: How to Succeed in Business Without Really Trying
The same occurred with Darren Criss who had a run of a few weeks. While not a bad singer, his vocal range is more suited for pop hits and not for the stage.
Interestingly enough, Jonas' career began on Broadway (he acted in several musicals on Broadway as a young child), and was recently part of the concert version of Les Miserables. Having seen him in the role, this troper has to say that on this one, the Casting Agency got that pretty right.