I have never seen an experienced programmer who routinely made detailed flow charts before beginning to write programs.
Successful software always gets changed.
System debugging, like astronomy, has always been done chiefly at night.
System debugging has always been a graveyard-shift occupation, like astronomy.
Consensus processes starve innovative design by eating the resource.
A design style is defined by a set of microdecisions. A clear style reflects a consistent set. A clear style may not be a good style; a muddled one never is.