The article claims as a second benefit of an LLC: > 2. Tax benefits. You can deduct qualified business expenses from the total income of the business. Here’s a simple example: If you spent $1,000 on servers and your website made $10,000, then you’ll only pay taxes on the $9,000 in profit. You don't need an LLC to deduct such expenses. Even sole proprietors can deduct business expenses against business profits.
Furthermore, financial literacy also seem very, very low, almost as if the powers to be maliciously wanted to misinform people. "You get taxed on profits, not on revenue" seems like the fundamental axiom of business, yet here it is, present as "this one weird tip the IRS hates". See also "I don't want a raise, it'll put me in a higher tax bracket".