Michael R N Dolbear wrote:
More than once /within the past year/ perhaps.

At Woking neither platform 1 nor platform 2 is where it was when I was
a lad and it's not in the least obvious where platform 3 is.

And at some stations with a "simple" layout all the signs refer to
destinations but announcements use platform numbers.

Perhaps but it still begs the question why they can't follow signs such as

"Other Platforms
(1, 5-12)"

or

"Platforms 1-4 & 6-12"