We want to use certain means to remove them from their isolation. We also want to reduce travel for people who require care. That is the purpose of home care. Seniors do not necessarily want to be categorized as seniors, particularly in this context of cuts. They want to go out, get their groceries, or go shopping.
I am entirely in favour of having them stay at home, but when you say that letter carriers meet all these needs, I find that a bit vague. Explain to me the connection between the letter carrier's role and keeping people at home.