The Mechanical Saw destroyed over 200 player placed wood logs. Not all the logs were connected to each other and the log that caused it was next to the saw (Not in front of it). Also the saw is attached to a mechanical sticky piston with a barrel on top of it.

Minecraft 1.16.5 and latest version of create and forge.

This issue has been marked as stale because it has been inactive for 3 weeks. It will be closed if it remains inactive for another 3 weeks.

This issue has been closed since it has been inactive for 3 weeks since it was marked as stale.

Are they vanilla logs?

Yes standard vanilla spruce logs.