given self assessment deadline of 31st Jan I would reckon 90% of calls are between Dec- Feb so its not that daft to reduce service in summer months
The difference between government and private enterprise is generally quite simple.
The private enterpreneur thinks "How can I get more customers?" The government thinks "How can we extract the most money for the least effort?"
I experienced a brilliant exposition of this many years ago during a cruise from Venice up to the Black Sea and back.
Every port we visited offered its pleasures, except Odessa in Russia. That was dire. Dreadful food, no service worth the name.
Nigh on 300 years ago Adam Smith wrote : “It is not from the benevolence of the butcher, the brewer, or the baker that we expect our dinner, but from their regard to their own interest.”
Having said that my experience of an NHS hospital during an illness I've suffered from for 4 months has often been wonderful. But not always: my GP is rubbish.