If it's a regular girl, then I agree.
But I was also one of those who complained about the drop rates when the team lied that the leg. girls will drop according to the number of days the event lasts. Which means, less time=more chance. People spent thousands of Kobans on those girls and now they're already coming back. I don't have the KH leg. but I still don't want them back so soon.
And for some things you can't give solutions, maybe some ideas. But not everyone is a developer and all we can do is offer opinions, feedback and, yes, sometimes just pure complaints. It is on the people running the game to recognize that those could be the best kinds of feedback. Someone was so unsatisfied that they took the time out of their day to write something to you. Some just leave the game without a word and you are none the wiser and a number of players goes down.
I also complain that they work more on some unnecessary things instead of dealing with the bugs. My girl counter still says 4 less than I really have and I didn't get an appropriate weekly reward because of this.