Or a spammer with a sense of humour.
I have very recently been hit by a spate of new spam asking me to sign up to save on a new mortgage, or change my car insurer or meet attractive asian ladies amongst other such enticements. They are all blocked now because, despite using different domain names, they (stupidly) all come from the same sending MTA, but I had to smile at one of the embedded URLs I was invited to click.
It looked like this:
I salute you, whoever you are.