The dot command, as you probably well know, is a macro that captures the last change: was it '3cw' or 'cE' or '7s' or <visual>s or 'ct)', all changed to the last insert. All intuitively without you even having to think about it.
Much more powerful than "change all my selections to the next input" IMO.
Much more powerful than "change all my selections to the next input" IMO.