snapshot pre and post package operation

[Pascalio]

This might be a daft question but, why not have 2 snapshots, one before the package operation and another one right after that operation, so that we can compare and rollback very closely what was done during some operation back in the past? This is the way apt-btrfs-snapper does it. Otherwise, it might be hard to know what really happened 2 weeks later, if more than the package operation is included, right?