The problem with each connecting to a source is that they are dependent of the source. If they a central independent source, then any change in the instruments format by the brokers can be addressed at a central place. And users do not have to download & install a new fix, as the fixes can be applied in the central repository.
The problem with each connecting to a source is that they are dependent of the source. If they a central independent source, then any change in the instruments format by the brokers can be addressed at a central place. And users do not have to download & install a new fix, as the fixes can be applied in the central repository.