You asked
and I answered.
But is required prior to installation If disaster has struck, such as a catastrophic disk failure, on a gig where there’s no online access. You can have a backup of your files and system, but not a backup of your license. With a hardware USB license key you can do the install without online access for both the software and the licensing system and get back to work.
For you, something with this career-destroying capacity might never come up, and if you have read this thread or many like it, you would have read that the alternative that people are asking for has been implemented in Dorico, Halion, Halion Sonic and newer VST instrument products, where you can choose a software or hardware license container.
It’s perfectly logical that you should defer using the superior program 
until this necessary-for-you feature is realized.