Any comment that makes a potshot remark about the first sentence in an article, without reading the rest of the paragraph (let alone the article) can be safely thrown straight into the trash.
The article lists its reasons for why they think the economy will accelerate. You might disagree with its conclusions, but it's not dependent on taking the administration's "propaganda" at face value.
>His optimism has foundation. The effects of the One Big Beautiful Bill Act (BBB), a tax-cutting law enacted in July, will soon start to be felt. Americans will receive refunds that reflect retroactive tax cuts on income from 2025. They will also find that levies on monthly earnings have fallen. According to Piper Sandler, an investment bank, these “two years of tax cuts in one” are worth about $191bn.