I would think it extremely unlikely that the government could be persuaded to introduce any further regulation of a specific sector such as the internet.

The fact that some specific sector of the public at large might, like the claimant's witnesses, have special additional information enabling them to identify a third party was not relevant.

It also allows for specialization that can increase depth of knowledge in a specific sector or segment.

Many industry experts are encouraging job seekers to concentrate on industry specific sector sites.

There are also mutual funds specializing in speculative trading (i.e. hedge funds), a specific sector, or cross-border investments.