Or as they say on the internet:
Please accept with no obligation expressed or implied our best wishes for an environmentally responsible socially distanced covid safe low stress non addictive gluten free gender neutral celebration of the winter solstice holiday practised within the most enjoyable traditions of the religious persuasion or secular practices of your choice with respect for the religious or secular persuasions and/or traditions of others and their right not to practise religious or secular traditions at all.
We also wish you a financially rewarding personally fulfilling and medically uncomplicated recognition of the onset of the widely accepted Common Era calendar year of 2021 but not without due respect for the calendars of choice of other cultures whose contributions to society have helped make the UK great which is not to imply that the UK is necessarily greater than any other country and without regard to the race creed colour age physical ability religious faith or sexual preference of the wishee.
By accepting this greeting you are accepting the following terms and conditions. This greeting is subject to clarification or withdrawal. It is freely transferable provided no alteration is made to the original greeting. It implies no promise by the wisher to actually implement any of the wishes for herself/himself/themself or others and is void where prohibited by law and is revocable at the sole discretion of the wisher.
This wish is warranted to perform as expected within the usual application of good tidings for a period of one year or until the issuance of a subsequent holiday greeting whichever comes first and warranty is limited to replacement of this wish or issuance of a new wish at the sole discretion of the wisher.
Should you wish not to partake of this greeting you may register your choice through a series of increasingly complicated manœvres to be deciphered at an internet address hidden away in an obscure part of this document or elsewhere.
Or, to put it another way,
Happy Christmas and a Prosperous New Year!
George B.