requestAction question

Maybe I read it wrong back in the day but something idles in my head about
requestAction being bad. Is this true or still in effect? I am using 1.3.7
and I think I remember reading back in 1.2 its better to not use that
function.

"If used without caching requestAction can lead to poor performance. It is
rarely appropriate to use in a controller or model."

I have 1 element on 3 pages where I simply need to grab 4 fields from a db
for the element. The element is loaded originally on the first page left
side navigation column, and links load content into the main column so the
element is never refreshed since its on the side nav column except if
someone "open in new tab / window" on the link so the element has no data
because its originally loaded on the main page. So rather than build that
data call into each of those 3 pages I figured request would be the best
option.

My Picasso below :)

Side Col | Main Col
___________________________________________________________________
| nav => loads into main | content gets loaded here via ajax
|------------------------------------------------------------------|
|
| element |
|
____________________________________________________________________

Just looking for some input on the matter.

Thanks,

K

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