I can understand these comments. there are a lot of people who do not like to see someone bettering themselves.
At the moment it is a very new venture and only offered to people as a friendship thing, the same as we might say to people from Turkey visiting over here.
"Let me show you around", you would not question insurance then.
The only difference is Turkish people unlike english, do not earn any money when they are not working, so the extra money is required for their time and Petrol.
and once you become their friend it is up to you, if you trust their driving you accept. Obviously it is not for everyone. but If you like the guy want to see some of the area, and you think he is a person you can get along with, and I see no reason why he shouldnt be. give it a go.