I can't use Genesect on my team anymore. That simple.
Anyway, not that I'm complaining about Genesect's banning; Its banning is definitely going to make team building easier for me since I don't have to worry about it killing everything or being a fucking broken RP sweeper. Maybe I'll make a team that I actually enjoy using. Overall, Genesect was super annoying and made the metagame dull, so I am very much happy about this change.
"If you put the federal government in charge of the Sahara Desert, in 5 years there'd be a shortage of sand." - Milton Friedman