pmr446
It would increase the range and reliability of communications for both business and leisure use. In the modern age, equipment is more robust against RF interference so it is not a huge concern. Additionally many other countries outside of Europe such as Australia and New Zealand employ a UHF CB system of five watts output power on a similar UHF frequency. These services have not caused significant interference no more or no less than other services. 27 MHZ CB was suitable for the 1980's, but PMR is suitable for the modern age.
Source: pmr446.net representative