Analog film photography and cameras

so much more flexibility with access to the colour channels

I read that once on the internet-site of the self-proclaimed artist Ken Rockwell.
Did try it for a dozen rolls or so.
End of story was that, for me, the grain of black and white films looks very different that the colour / dye clouds of colour films, so b&w converted colour negative film always looked mushy and lacked the bite and grit and the overall character of real black and white film.