Redpill me on Control Flow Statement Spacing

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I'm an ancient developer, and since shortly
before the dawn of time, I've been writing
if/for/while statements with no space after the
control flow keyword. However, in recent
millennia, it seems to have come into fashion
to put a space after the keyword and no space
inside the condition parenthesis.

I see good reason for the time-honored style
since we can't actually omit the parenthesis in
most C-like syntaxes -- So can somebody give
me the really good reason that I'm missing?

// Tradition!
if( test ) 
    doSomething;

Versus:

// Damn kids!
if (test) 
    doSomething;