That is why you will have 0 chance of success with litigation.
The law is not interested in your feels, it is not a pissing contest; it only deals in demonstrable facts.
Rage and **** posting about anybody/company without you being able to back-up what you post with undisputed facts, no your opinion is not facts, is classed as
publishing slanderous information; the end.
If they decide to settle, standard awards range in the R40k - 50k range, excluding legal fees. As extra bonus once you lose the case, your employer has grounds to dismiss you from employment – already tested and confirmed in front of the CCMA in ZA.
Why would anybody want all that dwag in your life for a cr@ppy internet connection?
Soo unless you have access to corporate records proving what you are posting, al la WikiLeaks internal documents, best take a deep breath and cut it out and calmly seek redress via your service provider.
By the sounds of it CISP is already starting the fight to claw-back fees on users behalf.