It's not your decision alone to decide if you are a good fit for someone, though.
If someone, for example, doesn't want to date people who are older than them, there shouldn't be an option for people to just write to these people anyway. Because they think: "but I am so nice and we have so much in common".
How would they even know that anyway? As you said so yourself, Tinder is basically a collection of photos and a few very shallow stats. It will be used by people to write to others they assume wouldn't match with them in the first place!