wow- it failed anyways. sometimes it did brick itself but i was done with one ui for this phone anywaysThey won't, as I said...
Actually it seems you may have lost some Sammy features in addition to 'corporate' ones incl. Samsung Pay... See this:
What happens if I root my device that is running a Knox service?
I think that can happen simply by rooting... Hence John's 'OTA Upgrade Guides' doc says: