>>11557243while(true) is also recursive function... It's not recurssion, it's iteration trough the loop.
Also... Maybe because symetric motion on less and less mass. Like 1/4 of matter creates same shape again after 3/4 has settled.
Even those sun eating specimen there are just while loop in dna, not the recursion, it's while true, and looks fractaloid because it propagates over time with different parameters.