Although this is difficult to quantify, I believe this explosion has most likely helped the design industry. Many designers have become a lot more famous than they would have before being on TV. Moreover, many amateur designers have been able to participate in these shows and thus develop their career, contributing to the industry. Finally, many people have felt inspired by these shows and hired designers to redecorate their houses, which has also been positive for the industry.
Yup i would do a test on them i would tell a lie about myself and see if they will stay or leave. If they stay then they true friends if they leave then they fake