Yes, it matters, but not because it's contageous (it's not)
It matters because after a week or two or a month or ... you may not have the backups you need to be able to restore without data loss.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
We walk in the dark places no others will enter
We stand on the bridge and no one may pass