The show is a love-letter to 80s and early 90s Star Trek. Rather than a parity--which I expected--the series tells Star Trek-like stories with "real," flawed people. It keeps the optimism of Star Trek while throwing in more sophomoric humor, but it did so in a way that I did not find offensive, degrading, or insulting. The characters are true to themselves and build interesting relationships with one another.
Still, it is also a bit cheesy, and sometimes downright preachy (like the original Star Trek often was). It feels like Seth MacFarlane himself wanted to be a captain of a Star Trek like starship and used his influence at Fox to make that dream come true. Honestly, I would want to do the same thing were I in his place. I'm just grateful that he let us come along on the journey.