The last new mother boards I bought didn't even have the 34 pin socket for connecting a FDD. Additionally I discovered that a M/B I purchased about 12 months ago did not have an option for a 5.25 FDD in the bios settings - the 3.5 option was still there.
It seems that they might become extinct of necessity as we all succumb in time to the lust of new machinery.
You can now purchase an external 3.5 FDD with a USB interface, so they won't give up easily. I still a have few old clunkers here with both 5.25 and 3.5 FDD's operational.
And yesterday I interrogated a machine which had only the C Prompt to start with

. It was fun though - I was surprised how much I had remembered.

And I had a need to use several floppies again (clunk, whir, click, click, click - pure music!).
regards
FOR