Got it, family units are destroyed by kids spending some time at nurseries. Free market values aren't determined by what the free market actually pays for services (absolutely nothing for parenting your own kid, potentially a lot more for looking after someone else's) but by weird analogies to gold (children of course also being a commodity). Parents are of course, famously transactional in their relationships with children, with the key priority being maximising how much the government spends on their care. If daycare is subsidised absolutely everyone will claim the maximum amount (just like the alternative you propose!) because otherwise all the burden of paying for it will fall upon stay-at-home mums (I dunno, maybe the income tax on their massive parenting salaries?) and not spread across the wider taxpaying base, the highest paying segments of which generally aren't parents of infants. Putting up taxes is bad, but putting up everyone's taxes much more to subsidise -checks notes- people who enjoy looking after children so much they'd prefer it to free daycare is better. But the best possible thing for low-earning families is for them to have to lose all benefits and pay for care, schooling, medical bills etc, because if there's anyone that pays more into the system than they get out of it, it's low income families...

Not gonna lie, if it requires this much compounded nonsense to construct an argument against childcare vouchers, the case for it is much better than I thought :)