I find formal complaints a really good way of speeding up responses that otherwise wouldn’t be forthcoming. It won’t (ok, shouldn’t) affect the decision, and you can always ask for an explanation of how the figure was arrived at, possibly using FOI to get the full details.
As to the second part of your question, this tells you the specification Camden has for the role when recruiting: https://www.jobsgopublic.com/jobs/housing-manager-ward-lbc01371/from/zgylte9dsxtch/3/of/79/opening_at/desc
It doesn’t tell you whether they got the level they were looking for.
p.s. Forum guide to complaining here: https://www.leaseholdersforum.org.uk/guides/complaining-effectively/