First of all, a deregulated telecommunications means you have choices in which ISP to use. Second it creates competition between them to provide superior services for lower costs.
A lack of regulation gave us Standard Oil.
A lack of regulation gave us US Steel.
A lack of regulation gave us the Bell Telephone Company.
No regulation in an industry with a high barrier to entry leads to less competition, an uneven playing field, and monopolies. AT&T, Charter, and Time-Warner are all pursuing mergers even as we speak.
Do you know how much money these companies spend marketing bigger, better, faster and cheaper messages to you as a consumer?
And do you know how many tax payer dollars they've received via government subsidy to install that infrastructure?
You're business means everything to them. These aren't heartless big business entities that have a monopoly on your money.
Poe's Law strikes again.