Originally Posted by
Acidity
[1] This isn't fully true, since lame duck status holders can still get upgraded above someone with more rolling LP than them (e.g. a 0 LP ExPlat will get upgraded before a 199k LP PlatPro). Outside of lifetime status (which only goes up to Platinum anyways), I suspect this will be rare enough not to worry about.
Elite levels also matter for non-battlefield upgrades (allegedly), but with the buy-up programs, not as much.