Check restrictions in https://docs.binary.ninja/about/license/index.html
> Restrictions. Subject to applicable copyright, trade secret and other laws, you are permitted under this License to reverse engineer or de-compile the Software but you may not alter, duplicate, modify, rent, lease, loan, sublicense, create derivative works from or provide others with the Software in whole or part, or transmit or communicate any of the Software over a network in order to share it with others.
That's pretty much the only reason one would reverse engineer it, in this context - and it's somewhat misleading to suggest otherwise.
https://www.zdnet.com/article/oracle-to-sinner-customers-rev...
I think it's probably pretty unique right now in that it's under an OSS license without all the source available.