When arguments are delivered in parallel, their combined strength is no less than the strength of the strongest argument.
In strict logical terms you are correct. In practice this is leaving the door open to someone addressing the weakest argument only and declaring your entire post invalid as a result. (There is a fallacy for this; I cannot remember the name.)
Yeah. I should have made it clear that this post is prescribing a way to evaluate incoming arguments, rather than describing how outgoing arguments will be received by your audience.
In strict logical terms you are correct. In practice this is leaving the door open to someone addressing the weakest argument only and declaring your entire post invalid as a result. (There is a fallacy for this; I cannot remember the name.)
Yeah. I should have made it clear that this post is prescribing a way to evaluate incoming arguments, rather than describing how outgoing arguments will be received by your audience.