I hope you're right, of course...and I'm sure that B&W will still be available for many years. I'm not so optimistic about color film, particularly transparency and the availability of reasonable quick and affordable processing for E6.
Originally Posted by tomalophicon
(And I'm not sure that recording tape and cassettes are a totally comparable product...thin film coating on plastic, etc., is a mature technology and relatively simple(thinking of sticky tape, etc.!), but photo film demands further complex stages in the production of the different types and speeds of emulsions, plus the specialist chemicals needed, coating and cutting in a controlled dark environment, and all the complications of packing and distribution to a small market.)
I remember also when there was a vast range of cassette tapes to suit every need...the only ones now seem to be the basic ferric setting of just one length...