I don't see any help in protecting auser, if he can see some parts of code and (in case of [L]GPL3 exchange them) but not everything. The "malicous" parts (what

I don't see any help in protecting auser, if he can see some parts of code and (in case of [L]GPL3 exchange them) but not everything. The "malicous" parts (whatever that means in that context) can still be in the proprietary software parts.