Yeah, there is no point in replacing the reverse light bulb - even with the brightest led bulb I still get more light from the brake lights than that reverse light.
My Octavia had much bigger bulbs and on both sides that when replaced for LEDs made a concrete difference.
 
As said before the reversing light is pointless so was hoping for a bit more light but it should have two.
 
It is not even the amount of the lights, it is the size...

I need to see if I find a photo of my Octavia with upgraded to LED reverse bulbs (which were a much bigger size) for you to see what I mean.

--edit--

Found a pic:
UhKncVH.jpg
 
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There brighter than my headlights and very similar to my previous astra