After pushing to bitbucket my collegues commits are deleted and a message appears on bitbucket newsfeed
stripped 6f9de58aa748 from projektA
4 hours ago
stripped 54dae89de600 from projektA
4 hours ago
stripped e04022989a9d from projektA
...
How can I rescue the commits? Is Git really a versioning system that allows to delete commits? Is this due to --force ?