(1) Except that many of us do not use "a bunch of BIM software." !
(2) Many of us do NOT use ANY BIM software at all, as we are not in the building construction business.
(3) COLLADA™ is a plain text XML format, and in no way will protect intellectual property !
This topic thread is about a long standing feature request that goes back years (at least 5 years, and perhaps more.)
It is a request for somehow that SketchUp model files (not any other application's files,) can be protected to prevent editing or export of proprietary internal resources (ie, embedded components or material textures, etc.,) nor imported into any other editing application,... but viewed in the SketchUp, editors, and Desktop and Mobile Viewers.
Directing us towards some other application, even Trimble Connect (which I have no use for whatsoever,) does not solve the desire for this feature.
It looks as though this request will never be honored by the SketchUp Team. It apparently does not fit Trimble's business model, or else it is just seen as a money pit with no return value. I can understand this, it is basically designing a new encrypted model database format.
So I guess for offline use, I'll just push 3rd party solutions like LightUp and the LightUp viewer.
And then hopefully this online my.SketchUp can morph into a "secure" online viewer, where (as one of the other members said,) a client or customer can just be sent a URL via email, and the model opens in a browser my.SkpViewer viewer, which would be stripped down my.SketchUp. The end viewer should not be made to have to create any "account" nor learn any new interface (like TC.)