I've not used any cameras in months
You're rubbish
Mine all stay set to GMT. Saves chopping and changing every time zone change and Spring/Autumn.
and it matters if you are in a project where these things have to be right..
And for TP Day it mattersPOTY for one date wrong can cause problems ok so that is not the time but still stands makes sense to check.. that sort of thing..
I do prefer the physical act of putting the clocks forward. Always easier to do...especially the car