Article in question was in regards to a 22-284 and high BC offerings.
Wouldn't rate soup can killing at 800yds,as a stretch of anything,other than a capable chambering that was geared towards doing just that.
I'd liken that feat to hitting the toilet with a stream of pizz,with feet touching the porcelain,as compared to what JM can do with a wheelgun.
As a for instance barometer....................