[grey413]

Yep, that was also my takeaway. In addition, the population of mitochondria regulates the proportion of their specializations via fission and fusion among themselves.

I wonder if there are any disorders related to disregulation in the process.

[_yb2s]

Yes, there are many mitochondrial diseases related to defects in fission and fusion- it seems plausible that something like what you are suggesting is involved.