They are an American business that does not deal with other countries outside North America. Why would they care about the world outside of "ol' Merica?"

Well if they don't want the rest of the world's money, that's alright. Someone else will get it instead.

And they are fine with that just like large numbers of retail chains in Europe, Africa, Asia, South America, Australia, New Zealand, etc. which don't have a presence in the US or other countries outside their own or their own economic region. Home Depot does operate stores outside the US in Mexico and Canada.

Do you know what home depot is? They're a store, that you have to like, go to.

Ah my bad. I thought it was like a depot, that you had at home. /s

If McDonalds and Aldi can work on multiple continents I'm sure it's not logistically impossible.

Standing up and maintaining a distribution network is non trivial, especially for bulky goods that aren't practical for mail order shipping. Home Depot doesn't contract out locally sourced production like your examples do.