Taxes increase inflation. You buy a steak at a restaurant. If they have to pay 50% extra for their employees in tax, and 50% extra for the meat then it will be more expensive for them to sell you the steak.
Tax raises reduce inflation because hoarding money increases inflation. These people don't spend their money, they borrow against their assets. Taxing that hoarded money beings it out of the dragons' dens and back into circulation
Some day people who only ever took econ 101 and decided that they therefore understand completely how a complex set of interrelated systems work will realize that they're suffering from Dunning-Kruger effect, but apparently it won't be today.