That's no different than when ESPN is covering a slam, if you don't buy
ESPN as part of your cable/satellite package, you can't watch (except
for the useless NBC weekend coverage) either.
The REAL thing that sucks is that unlike ESPN, which once you have
bought their cable channel, allows you to watch many matches live via
streaming on their web site, TTC forces you to pay extra to watch any
matches that aren't being covered on the cable channel.