It is tough to feel bad that landlords might have to temporarily sacrifice their profitability so their tenants don't literally starve to death. Comments like this are just telling on themselves that they care more about the financial health of the home owner class than the literal health of the renter class. Once again, this doesn't change how much a tenant owes. It just removes the ability to kick a tenant out. Courts will work to resolve these financial disputes once we are over the pandemic.
The economy is like a big giant circle of life, some parts are terrible, some parts can withstand a lot of business, but if momentum starts to die then we're all in trouble. I'm also not advocating for a full re-open I think that's more damaging in the long run, I'd support diverting money from some of the big government sinks (i.e. defense spending) to help social issues in the short term, Boeing and folks have enough of a war chest to withstand some short term losses.
I think the moratorium is a good idea but I think a better idea is subsidizing rent needs with continued stimulus checks.
Hiding behind the DoD being "politically untouchable" is cowardice when 200k folks are dead.
The answer to the political feasibility question is a straight no. There is not going to be political support to redirect DoD funds to direct stimulus payments to the population. We can't even agree to print new money to pay for more stimulus checks. This basically kills this conversation until at least November.
Whether it is practical is a more difficult question to answer. You were the one who brought up the whole economy is a circle of life idea. That DoD money doesn't just disappear. It goes to buy good and services and it goes to pay people. Abruptly stopping those payments would cause economic problems just like stopping people from paying mortgages. I would even bet that the multiplier is higher for DoD spending than mortgage spending based on the recipients of the money. Would this mean that DoD spending is better for the economy than mortgage spending? I honestly have no idea. Although I do agree that this country should reduce DoD spending and increase spending on social problems long term, it isn't as easy as making an immediate transition in the middle of a pandemic.