What's galling about it isn't that I'm now entitled to have one; rather, it's that the person on the ticket desk asked me if I already had one, then when I said no gave me the form without ever asking if I was actually 60+.
If I make three or more off-peak trips to London this year, I'll be in profit.
I suppose the rail company makes its money because so many holders of these cards drop dead before they do make their three or more off-peak trips to London.