Phisherman wrote:

And a butt joint is faster. Dowels are fussy about exact location,
biscuits have some play in one direction. Biscuits are perfect for
attaching trim without nails, panel glueups, fast joinery. Not as
strong as mortise-and-tenon or dowels.


Right. But you can get dowel markers - little brass inserts with a
pointy-nipple. You drill the first hole, insert the dowel marker, and press
the two pieces together. The dowel marker leaves an impression on the second
piece where the center of the second hole should go.