Article is mistaken these subs are not available to businesses. Companies are paying much closer to API prices. The strategy is to get you accustomed to infinite tokens on your personal sub and bet that behavior transfers to work.
You can also do everything metered. There are multiple ways to buy.
What happened two months ago?
And once you can make a certain threshold of commit, the seats are free and all you pay is usage. They are definitely making a margin on the usage.
In other words, this article is, I wouldn’t say misinformed, but definitely underinformed.