Like I said, this isn't one of those posts that are meant to defend MOS from those who have a low opinion of it (God knows there's enough to last a lifetime), but rather one meant to get them to understand that whether they like the film or not is of ZERO concern overall. There are three reasons for this:
1. The Majority of the Audience Loved It
Movie-going positive reception (rotten tomatoes determination or elsewhere) for this film ranges from 75% to 80%, which makes the film a success. 56% was given by critics, but last I checked, critics don't make an impact on box office numbers on which the studio depends. So while the detractors express their issues repeatedly and call it a failure, they should really look at opinions beyond their own. Many of the people who liked and loved Superman love this film and it created a whole new generation of fans; not to mention actually causing some people who initially hated the character to at least develop a respect for him if not an interest.
2. It was a Box Office Smash-Hit
The detractors say the film sucks in a lot of ways, but at least a handful claim that it is a failure because it didn't make a billion dollars or something. Exactly how often does a film that marks the beginning of a franchise make a billion dollars? The only one I can think of is Avatar (which actually made 2 then 3 billion), but that isn't a movie franchise yet. Man of Steel grossed more than $668 million, which is very impressive on levels I will now explain. By gaining this much revenue, it surpassed every Superman film before it, which isn't a surprise really. However, it also, by almost double, outgrossed Batman Begins' $372 million, which is a fair comparison given that it is both an origin story and a reboot of a franchise. I'm sure I'll get flailed for this as well, but it also outgrossed every Marvel Phase one movie (excluding The Avengers) and four of them were origin stories. Iron Man 2 wasn't an origin story, but it still grossed (though slightly) less than MOS. Even moreso, the film exceeded company expectations in regards to the box office returns. Due to MOS supplanting less-than-exciting films Superman 3, Superman 4, and Superman Returns in addition to Superman's general decline in media popularity, WB expected only a moderate revenue (likely around only $350 million). Imagine their surprise when they got more.
3. It is Moving Forward
Regardless of how the detractors feel, MOS is a solid foundation that has generated much anticipation for the future of the DCEU with films such as BVS and Suicide Squad (respectively) heavily featuring and overtly referencing Superman himself, whom is set to appear even afterwards in both Justice League films and another solo feature film around 2020.
To all of the detractors out there, I say this to you again. No matter how much you whine. No matter how much you complain. And for sure, no matter how many times you post, swear, flame, insult, and threaten, you WILL NEVER change any of what I just said, as what I just said is something you cannot (but will try to) counter: facts. What exactly do you hope to accomplish by constantly going on tirades against this film? What satisfaction do you receive from berating the film and all those who enjoy it? Do you see any sort of change in your repeated criticisms? No, you don't. It is time you stopped. It is time you quit. It is time you moved on and got over this film.