I have done a few repackings and I too have had ones that don't leak. I never thought about it being a bad thing. I don't like the thought of a leaking anything on a boat. Give it a little time, if it doesn't leak you are fine. If it drips a few drops per minute, that is OK.
1997 MasterCraft 205
2008 Moomba Outback
1999 MasterCraft Sportstar OB
1992 MasterCraft 205
1999 Malibu Response LX
1987 Marlin Magnum Skier