Sketchup 17 Components behave strangely - 4 bugs for the price of 1!

I think the best way to accomplish that is to have a ‘working file’ which contains the DC with options set to prefered and then right click on the component and choose ‘Save as’ . You can then insert that component via the component panel. This is the prefered way of inserting components versus the copy-paste method which you showed on the vids.

Check this pic:


Which is from these articles:
https://help.sketchup.com/en/article/3000313

You might also make a ‘wrapper’ or container in the main model (another level in the Component hiarchy) in which that component is replaced by the new made component. (When editing the ‘master’, delete the old one, insert the new)