UBI is the opposite of centralized planning. Instead of the state deciding what resources people need, and who “deserves” help, it leaves it up to individuals to decide how best to divvy up resources, and everybody gets it.
As for tools that make citizens obey, the government already has the best one: a monopoly on the legitimate use of violence. Everything else is child’s play compared to that.
Because lower income levels in the USA are so low that a substantial number of people do not even pay federal income tax at all. Consequently, "lowering taxes" does not deliver any money to those people. A tax credit would, but this is more or less semantically equivalent to an actual payment such as UBI.
At the federal level, in terms of general purpose taxation? Not really. Capital gains? Even less people pay that. Fuel taxes, aviation taxes etc. are not general purpose taxes.
As for tools that make citizens obey, the government already has the best one: a monopoly on the legitimate use of violence. Everything else is child’s play compared to that.