I wonder if maybe it’s more apt a comparison to say that allowing raw comments to affect you in a strong way is like running a random program as root. To a certain extent you have to let this kind of harmful content in.
P.s. the short story sounds cool - is it available to read anywhere?
UTC isn’t supposed to be affected by daylight savings, neither is GMT which should be UTC+0. During daylight savings the UK changes to BST, which is GMT+1