"There is a different dynamic and something that will probably increase.
"I naively thought that there were players at each club who were perhaps untouchable, Aaron and Ben Smith, Sam Whitelock – I thought those sorts of guys wouldn't move.
"They were established All Blacks, with families, settled in their cities. The last six weeks have changed my mind a bit.
"We probably thought Beauden would stay a Hurricane for life – perhaps we were naïve, and are more aware of it now.
"Beauden made it clear to us and the media it was a financial decision, and it's a different beast when looking at players changing for those reasons."
Lee said Beauden Barrett's departure raised doubt about the position of Jordie Barrett.
"It would have been a tough pill to swallow, losing both of them," Lee said.
Jordie Barrett's new three-year-contract allows him to shift away from the Hurricanes after 2020.
Lee said: "There have been some sleepless nights…it can be stressful but wins like Jordie make it feel okay."