I'm having mine this afternoon - I was stunned when I got the call from my GP's Surgery yesterday, as I don't fall into the 'normal' pneumonia vaccine criteria, even more stunned when they said my appointment was today.
I'm 59, have never had any issues with my lungs, and don't smoke.
I've never had one before, so the only reason that I can think of is due to the fact that one of the most serious Covid-19 affects is pneumonia. If that's the case, then I am happy to take the vaccine.