That was 7 reasons for flying autogyros. Here are 10 reasons for not flying gyros.

They are more difficult to fly.
They crash more often.
Club members think you are crazy.
They do strange things for no apparent reason.
They are generally more difficult to repair after a crash.
It cost a lot more because they crash more often.
The wife thinks you're crasy because you spend all your time repairing instead of flying.
You have to show up at the field with a conventional airplane or heli to demonstrate that you really do know how to fly.
Some guys in the club will attempt to build and fly one only to get discouraged and upset at you for getting them started and they don't listen to your suggestions anyway.
You get reamed out for standing on the runway trying to take off when somebody wants to land.
The wind is always blowing the wrong direction or it's too little or too much.
Bill Friedlander said he made 60 takeoffs before he made a control landing. That maybe slightly above average.
You have 20 guys asking 50 questions when you're trying to do a repair or setup.
After a crash you have 20 guys telling you what you did wrong and none of them have ever flown a gyro.
On a new design, it's not unusual to make 20 trips to the field before you have the 1st successful.

I guess I'm pass 10 reasons for not flying gyros, BUT that is why we got the name GYRONUTS