I expect he means "can't" as in, "I do not have the technical knowledge or time to devote to doing this, so I'd rather run something with first-party support".

I expect he means "can't" as in, "I do not have the technical knowledge or time to devote to doing this, so I'd rather run something with first-party support". That's what I mean when I say "I can't make my own _____". Similarly, I can't make my own rifle, or design my own airplane.