Who cares?
This is one of the more annoying things I come across as a chicken legged manlet like LW's and FW's.
it's 100% unnatural to have big legs or proportional legs to our upper bodies if we lift. I do leg day 2-3x a week, do muay thai and grappling training, bicycle a few times a week, etc. and my legs are like Justin's (normal looking). There are very few fighters with legs like GSP for example.
There's literally no reason to make your legs significantly bigger and therefore slower when you have to strike. there's a reason Jones, Silva, Israel, etc. all have toothpick legs
/rant haha