Except the problem is the only people whose voices are heard in this are the rich. Telecoms can afford to do this, while the people on the other side of it don't have the time or means to.
There are a lot of "grass roots" lobbying going on for nearly free based on emails, web pages, and social media. In fact, it is so effective that many lobbiests have adopted "grass roots" mechanisms to lobby - see "astroturfing" http://en.wikipedia.org/wiki/Astroturfing.
And a letter from that group is probably more representative of the collective opinion of the people working there than (say) a Senator's votes are representative of their state.
A corporation is made up of SHAREHOLDERS, not employees.