This assumes that demand will be related to the higher wages of those receiving them. This isn't true.
Yes, it is true because low income people do not largely have debt or savings, which means they are going to spend the money as soon as it hits their pocket.
That's the case for up to 58M people, whom this change will affect.
Demand for a company's product in this scenario could go up, down, or stay the same. You can't assume that because wages rise demand will rise with it, certainly not on the micro scale you can't.
It will go up simply because of more spending. Up to 1.5% GDP's worth of it, or up to $350B annually. I'm old enough to remember when you were celebrating Trump's GDP because it barely got to 2.9%.
It may not raise disposable income at all. For example, you raise someone's wage from $7.50 an hour to $15 an hour. Let's say that makes them ineligible for food stamps (a form of wages in kind) they were receiving along with eliminating their EIC on taxes when filed (another wage in kind). Their taxes also rise offsetting some of the new wage. So, their overall earnings for the year say virtually the same for our example, just they are no longer receiving as much government support. They have no change in disposable income, no noticeable change in spending. Instead, all that has happened is the burden of paying them has shifted from the government and taxes to the employer who may not be able to bear that burden so they end up being laid off or let go. Now the burden on the government and taxes rises precipitously instead of going down.
So this is bunkum economic theory that doesn't take into account the elasticity of a labor market where the wage is much higher. That results in higher wages ACROSS THE BOARD, as employers have to compete to retain employees who could simply go get a different job.
And you're stating here, plainly, that the consumer spending done by these people would REPLACE the government welfare spending done for them.
That's a bad thing, why?
No one can predict with precision what will happen if this passes.
Sure we can, because we have been through this 23 times before. Every single one of those times, you people have predicted and warned of economic catastrophe, and every single time YOU PEOPLE HAVE BEEN WRONG.
You're just repeating the same failed arguments from 80 years ago, that all the empirical evidence we've seen since destroys entirely.
Increasing wages is how you increase demand, and the resulting price increase is not $1:$1, meaning, the price of consumer products and services doesn't increase at the same rate as wages do.
If you believe they do, you're a fucking idiot.