What would be the point of integrating all the software, only to have some company take it, add some features, and sell a binary blob version - complete with free spying, eavesdropping, backdoors etc.
I know that neither OS is completely one licence or another, but with OpenBSD there'll be a lot less copylefted software, and the local devs won't be enthusiastic about helping you get your GPL'd software working.
Debian is a better community to work with when freedom for all end users is your goal.
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