It is utterly true that anyone with an angle that enriches him will quickly run down to his favorite politicians and try to find someway to lock competition out. At least with patent law, you have a finite time to exploit it all after full disclosure. Not so with most else and the most tiresome are those based on capital itself.
Real estate has become the worse such example although everyone gets to play somehow mostly because government has accepted the long term risk. If it were all priced sensibly we would have a hugely smaller banking sector.
The good news is that Uber has broken the taxi monopoly and will certainly do the same everywhere. Local resistance has been noted , but with one success in New York, it will all become mute. The benfits will be obvious. We see the same happening with AirBnN which has put real competition into the Hotel industry.