OK - the empty stadiums are weird and the fake crowd noise is divisive. But how about the footy? Brilliant, especially after a few rule tweaks. So rather than worry about the canned murmuring and whether it worked or it didn't work, let's focus on what we learnt about the NRL restart on Thursday night: small variations make a big difference. The sample size is small and we'll have to wait until the end of the weekend at least to find out how coaches can exploit the changes made to speed up rugby league. The overwhelming feeling after game one of the relaunch, however, was the changes made were for the better.