Because their current competition, the USPS does so as a service that's paid for by your tax dollars.
Once that goes away, or is sold off, none of them have the incentive to continue to do so.
And in the end they will all eventually collude on raising the process for all of their services, just like every other 'not a monopoly' corporate collective.
I'd recommend powdered detergent instead. It's usually far cheaper per load since you aren't paying for them to ship you the water that's in the liquid detergent.
You also don't need to follow the 'load size' guidelines listed on the scoop, as only the bottom line or two is really adding anything to most loads.
It is also standard practice to keep replica modules on earth in order to assist with diagnosing & fixing problems on things that have already launched.
It was never about saving money. It was always about dismantling the government so that the oligarchs could carve out their own personal fiefdoms out of whatever's left.
Ain't looking too good for capitalist society then, either...