Furious and dissapointed

I have contract with Telkom for Smart Broadband Wireless. The special was unbelievable and drawing one to apply, Telkom provided 80 gigs data bundles of which 40 gigs day time and 40gigs night. The data bundles were depleted quickly and it was questionable what is really happening, one just bite a bullet and let go but in October 2018 the 40gigs was depleted in 2 weeks of which it was impossible due to the usage, I asked an IT friend. What really ****ed me off , is that now in Jan 2019 the 40gigs lasted from the 1st - 6th Jan 2019. This is not right, why draw customers with free gigs and later cut the service to make up for the free data. Who will stay after 12:00 midnight to use the remaining data bundles.