Worst experience ever in ISP

I have purchased a fibre package from Afrihost which is running on frogfoot lines in Port Elizabeth. I have now for two weeks experienced major buffering issues on this line after 17h00 every day. This is a clear indication that frogffot have not made provision for the bandwidth at night, and the only way you can complain is through afrihost, and they have little impact on the manner which frogfoot responds. All they can do is to ask me to test my side over and over and over again. Frogfoot are the only fibre providers in Port Elizabeth, so they not really bothered about customer complaints because customers have no other options. Like other monopolistic practices, I know that there are hundreds of people that will change the moment they get the option. Frogffot should be held to account for their poor customer service and non existant responses. Afrihost has been consistent with their speed provision and should be congratulated. Frogfoot should not be allowed to do business with customers they cannot support.