The Vicar himself seemed to wear rather a changed aspect, as most men do when acquaintances made elsewhere see them for the first time in their own homes; some indeed showing like an actor of genial parts disadvantageously cast for the curmudgeon in a new piece.
Nobody likes a curmudgeon.
It is called the happy:grumpy ratio, and measures how many cheery staff the bank employs for every curmudgeon.
But rather than grumpily eying them in staff meetings and turning yourself into the office curmudgeon, consider cutting them some slack.