They're going to extend an MTR line there so transportation probably won't be a huge deal. Also, the Cross Bay Link is already ready so there'll be plenty of traffic to use it other than just the Lohas Park folks.
This is quite far out from TKO so it won't crowd TKO much apart from a few people coming there to shop or for schools perhaps, but the area will likely cover all the basic daily shopping requirements anyway as other places do too.