[css-scroll-snap] More input-agnostic wording

Author: ChumpChief

css-scroll-snap/Overview.bs

@@ -569,7 +569,7 @@ Snapping Boxes that Overflow the Scrollport</h4>
         However, if the container is scrolled such that the area
         no longer fully fills the viewport in an axis,
         the area resists outward scrolling
-        until you fling out or pull it sufficiently to trigger snapping to a different <a>snap position</a>.
+        until it is scrolled sufficiently to trigger snapping to a different <a>snap position</a>.
     </div>
 
     Issue: Deal with case of overlapping snap areas, some of which are smaller and others larger than the viewport.
@@ -706,10 +706,7 @@ Types of Scrolling Methods {#scroll-types}
     UAs sometimes <dfn export>axis-lock</dfn> a scroll when its direction
     is sufficiently vertical or horizontal.
     An <a>axis-locked</a> scroll is bound to only scroll along that axis.
-    This prevents,
-    for example,
-    a <em>nearly</em> horizontal fling gesture from gradually drifting up or down as well,
-    because it is very difficult to fling in a precisely horizontal line.
+    This prevents less-precise input mechanisms from drifting in the non-primary axis.
 
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@@ -820,9 +817,8 @@ Choosing Snap Positions {#choosing}
         regardless of the scroll method.
         For example, if the snap type is ''mandatory''
         and the next <a>snap position</a> is more than two screen-widths away,
-        a naïve “always snap to nearest” selection algorithm would “trap” the user
-        if they were panning with a touch gesture;
-        a sufficiently large distance would even trap fling scrolling!
+        a naïve “always snap to nearest” selection algorithm might “trap” the user
+        if their end position was only one screen-width away.
         Instead, a smarter algorithm that only returned to the starting <a>snap position</a>
         if the end-point was a fairly small distance from it,
         and otherwise ignored the starting snap position,