Secondly, with the EPCR, the URC, and the Investec Champions League all part of the season, it's hard to know in which tournament your team is playing on any weekend making it hard to get invested.
Problems seems to be marketing, they haven't done a great job of selling the Champions Cup to the South African public, fans don't seem to be aware of what it is. For what ever reason the URC has been marketed better.
Just to clarify the EPCR is the governing body that over see's the Investec Champions Cup (not league) and EPCR Challenge Cup. Both tournaments are on at the same weekends, with the Challenge Cup grand final being held the day before the Champions Cup final.
The Champions Cup should be seen as the rugby equivalent of the UEFA Champions League, while the lower tier Challenge Cup should be seen as the equivalent of UEFA Europea League.
The format of the Champions Cup needs to be looked at. It's simply too easy to get out of groups, that in the group stages teams frequently send weak teams to the away games and just focus on winning their home games, its not just the SA teams doing it. Hell you can even got out of group with just one win, its nonsense.
Stormer were really stupid though. They have a 5 point gap at the top of the URC, and while I know SA teams can't host a home semi final, they should have tried to get maximum points and the best possibly sending to get home last 16 and quarter finals.
As for the other SA teams, big pile of meh, frankly Sharks are dog poo, they will probably scrap through in the last 16 but they are just an also ran. Bulls were screwed once they lost their first home game. Fair play to Lions but its the Challenge Cup, so who really cares.