Tv Licensing tax for PC's in the UK

Here is an article that may give some input on the legal trends that started a few years in the UK

TV licence now needed for internet

The article covers how if a PC is able to pick television broadcast signals, which is still streaming media be it through the air of through the internet, the owner of the PC and the owner of the website that offers live streaming video of football games in the UK, must pay a TV license fee.
The article explains that also during the World Cup airing through BBC in 2006, if anyone would watch the games from their office during game time, then any office that does not have a TV license would be fined.
This throws up the debate of 'is internet streaming the same as broadcasting?'

There is a cross-over of two different media and the former regulators of are thus trying to tax the internet streamers where as the content such as the World Cup matches was freely hosted by BBC. How can the tax that covers use of television infrastructure and programming ethically charge for the telecommunication infrastructure?