I'm sorry @WarmGreyReader and I agree entirely with you.
We are farming stock, rural community, tight knit.
I say that as explaining as to how a wedding, christening etc invite would go here.
Yes invites were posted, but for those unwell, especially family, we would go and see. Deliver it. Or if that was impossible say for distance then ask another family member to.
We would discuss it with you, our aunt!!?? And see what you would be comfortable with.
Invite, delivered.
I'm sorry we cannot come. Ok. Can we send you a link to ceremony? Crikey it's standard nowadays. Even here.
Then photos, flowers from table, favours.
I don't get it, I think you should raise it, and whilst I appreciate care arrangements may prohibit perhaps you would have liked, or tried to attend part.
Wishing you peace. Badly handled but I hope you can reach an understanding.